yohimbine and prazosin
yohimbine has been researched along with prazosin in 1337 studies
Research
Studies (1,337)
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 714 (53.40) | 18.7374 |
| 1990's | 409 (30.59) | 18.2507 |
| 2000's | 146 (10.92) | 29.6817 |
| 2010's | 62 (4.64) | 24.3611 |
| 2020's | 6 (0.45) | 2.80 |
Authors
| Authors | Studies |
|---|---|
| Blaxall, HS; Bylund, DB; Caron, MG; Iversen, LJ; Lefkowitz, RJ; Lomasney, JW | 1 |
| Decker, N; Delgado, A; Leclerc, G; Marciniak, G; Schwartz, J; Velly, J | 1 |
| Creveling, CR; Daly, JW; Lewandowski, GA; McNeal, ET | 1 |
| Harsing, LG; Somogyi, GT; Szabo, L; Szantay, C; Toth, I; Vizi, ES | 1 |
| Haubrich, DR; Hlasta, DJ; Luttinger, D; Perrone, MH; Silbernagel, MJ; Ward, SJ | 1 |
| Andrews, PR; Craik, DJ; Martin, JL | 1 |
| Butler, RC; Chapleo, CB; Doxey, JC; Myers, PL; Roach, AG; Smith, CF | 1 |
| DeMarinis, RM; Hieble, JP | 1 |
| Batink, H; de Jonge, A; Thoolen, MJ; Timmermans, PB; van Zwieten, PA; Wilffert, B | 1 |
| Timmermans, PB; van Zwieten, PA | 2 |
| Caroon, JM; Clark, RD; Kluge, AF; Michel, AD; Nelson, JT; Strosberg, AM; Unger, SH; Whiting, RL | 1 |
| Bondinell, WE; Hieble, JP; Ruffolo, RR | 1 |
| Denis-Pouxviel, C; Devedjian, JC; Esclapez, F; Paris, H | 1 |
| Neubig, RR; Porter, AC; Uhlén, S | 1 |
| Berardi, F; Caccia, C; Fornaretto, MG; Leopoldo, M; McArthur, RA; Perrone, R; Tortorella, V | 1 |
| Berardi, F; Caccia, C; Colabufo, NA; Fornaretto, MG; Leopoldo, M; McArthur, RA; Perrone, R; Tortorella, V | 1 |
| Akunne, HC; Belliotti, TR; Brink, WA; Corbin, AE; Georgic, LM; Heffner, TG; Pugsley, TA; Shih, YH; Whetzel, SZ; Wise, LD; Wustrow, DJ; Zoski, KT | 1 |
| Huang, L; Humphreys, JE; Morgan, JB; Polli, JW; Serabjit-Singh, CS; Webster, LO; Wring, SA | 1 |
| Bartoccini, F; Carminati, P; Castorina, M; Di Cesare, MA; Di Serio, S; Gallo, G; Ghirardi, O; Giorgi, F; Giorgi, L; Minetti, P; Piersanti, G; Tarzia, G; Tinti, MO | 1 |
| Bariwal, JB; Chauhan, BS; Jain, KS; Kathiravan, MK; Phoujdar, MS; Sahne, RS; Shah, AK; Yadav, MR | 1 |
| Axe, FU; Bembenek, SD; Butler, CR; Coles, F; Dunford, PJ; Edwards, JP; Fourie, AM; Grice, CA; Karlsson, L; Lundeen, K; Riley, JP; Savall, BM; Tays, KL; Wei, J; Williams, KN; Xue, X | 1 |
| Altenbach, RJ; Brioni, JD; Carr, TL; Chandran, P; Cowart, MD; Esbenshade, TA; Honore, P; Hsieh, GC; Lewis, LG; Liu, H; Manelli, AM; Marsh, KC; Milicic, I; Miller, TR; Strakhova, MI; Vortherms, TA; Wakefield, BD; Wetter, JM; Witte, DG | 1 |
| Barnes, JC; Bradley, P; Day, NC; Fourches, D; Reed, JZ; Tropsha, A | 1 |
| Hayashi, S; Kato, A; Mizuno, K; Morita, A; Nakata, E; Ohashi, K; Yamamura, K | 1 |
| Colau, D; Dolusić, E; Frédérick, R; Larrieu, P; Masereel, B; Moineaux, L; Pilotte, L; Pochet, L; Stroobant, V; Van den Eynde, B; Wouters, J | 1 |
| Cantin, LD; Chen, H; Kenna, JG; Noeske, T; Stahl, S; Walker, CL; Warner, DJ | 1 |
| Carmody, LC; Dandapani, S; Donckele, E; Feng, Y; Fernandez, C; Germain, AR; Gupta, PB; Lander, ES; Morgan, B; Munoz, B; Nag, PP; Palmer, M; Perez, JR; Schreiber, SL; Verplank, L | 1 |
| Anzini, M; Brogi, S; Butini, S; Campiani, G; Cappelli, A; Caselli, G; Castriconi, F; Gemma, S; Giordani, A; Giorgi, G; Giuliani, G; Lanza, M; Letari, O; Makovec, F; Manini, M; Mennuni, L; Valenti, S | 1 |
| Belyakov, S; Dambrova, M; Kazoka, H; Kuznecovs, J; Lebedev, A; Liepinsh, E; Mishnev, A; Orlova, N; Ponomaryov, Y; Vavers, E; Veinberg, G; Vikainis, S; Vilskersts, R; Vorona, M; Zvejniece, L | 1 |
| Bandyopadhyaya, A; Rajagopalan, DR; Rajagopalan, P; Rajagopalan, R | 1 |
| Bienkowski, P; Bucki, A; Jaśkowska, J; Kazek, G; Kowalski, P; Kołaczkowski, M; Marcinkowska, M; Mierzejewski, P; Mitka, K; Pawłowski, M; Siwek, A; Wasik, A; Wesołowska, A | 1 |
| Bienkowski, P; Bucki, A; Jastrzębska-Więsek, M; Kazek, G; Kołaczkowski, M; Marcinkowska, M; Mierzejewski, P; Partyka, A; Pawłowski, M; Siwek, A; Śniecikowska, J; Wasik, A; Wesołowska, A | 1 |
| Bednarski, M; Gunia-Krzyżak, A; Marona, H; Nitek, W; Pękala, E; Powroźnik, B; Słoczyńska, K; Walczak, M; Waszkielewicz, AM; Żesławska, E | 1 |
| Filipek, B; Gunia-Krzyżak, A; Marona, H; Nitek, W; Pańczyk, K; Pękala, E; Rapacz, A; Słoczyńska, K; Waszkielewicz, AM; Żelaszczyk, D; Żesławska, E | 1 |
| Avery, BA; Behnke, M; Chear, NJ; Hiranita, T; Kamble, SH; León, F; McCurdy, CR; McMahon, LR; Obeng, S; Patel, A; Ramanathan, S; Reeves, ME; Restrepo, LF; Sharma, A | 1 |
| Doxey, JC; Smith, CF; Walker, JM | 1 |
| Drew, GM; Whiting, SB | 1 |
| Dausse, J; Meyer, P; Miach, PJ | 1 |
| Constantine, JW; McShane, WK; Weeks, RA | 1 |
| De Lean, A; Hoffman, BB; Lefkowitz, RJ; Schocken, DD; Wood, CL | 1 |
| Assous, E; Duteil, J; Gombert, R; Pessonnier, J; Rambert, FA | 1 |
| Kwa, HY; Timmermans, PB; van Zwieten, PA | 1 |
| Bartholini, G; Dubocovich, ML; Langer, SZ; Pelayo, F; Scatton, B | 1 |
| Baumann, N; Chermat, R; Lachapelle, F; Simon, P | 1 |
| Roba, J; van Dorsser, W | 1 |
| Fu, TC; Guo, L; Liu, HJ; Peng, YI | 1 |
| Kline, LW; Pang, PK | 1 |
| Bradley, ME; Buxton, IL; Keef, KD; Zhang, L | 1 |
| Ala-Uotila, S; Jalkanen, M; Jansson, C; Luomala, K; Marjamäki, A; Perälä, M; Regan, JW; Scheinin, M | 1 |
| Agrawal, DK; Boman, BM; Wildrick, DM | 1 |
| Chan, CB; MacPhail, RM | 1 |
| Berndt, TJ; Isaac, J; Knox, FG | 1 |
| Hughes, AD; Mulvany, MJ; Nielsen, H; Parkinson, NA; Sever, PS; Thom, SM | 1 |
| Horn, PT; Kohli, JD | 1 |
| Brading, AF; Chen, HI | 1 |
| Burnstock, G; Reekie, FM | 1 |
| Gross, R; Hillaire-Buys, D; Loubatières-Mariani, MM; Ribes, G; Roye, M | 1 |
| Kawasaki, H; Nakamura, S; Takasaki, K | 1 |
| Alam, MN; Mallick, BN | 2 |
| Kondo, S; Morita, T; Tashima, Y | 2 |
| Okuma, Y; Osumi, Y; Yokotani, K | 2 |
| Benedito, S; García-Sacristán, A; Hernández, M; Prieto, D; Rivera, L | 1 |
| Carlson, DE; Gann, DS | 1 |
| Gundlach, AL; Jarrott, B; King, PR; Louis, WJ | 1 |
| Schwietert, R; Van Zwieten, PA; Wilffert, B; Wilhelm, D | 1 |
| Hansson, E; Nilsson, M; Rönnbäck, L | 1 |
| Goldberg, SR; Schindler, CW; Tella, SR | 1 |
| Brooks, DP; DePalma, PD; Fredrickson, TA; Hieble, JP; Nichols, AJ; Ruffolo, RR | 1 |
| Brune, ME; DeBernardis, JF; Lee, JY; Warner, RB | 1 |
| Lefebvre, RA; Smits, GJ | 1 |
| Harada, Y; Kaku, K; Kaneko, T; Okubo, M; Yaga, K | 1 |
| Branch, CA; Knuepfer, MM | 1 |
| Sperlágh, B; Vizi, ES | 1 |
| Clarke, RW; Harris, J | 1 |
| Su, C; Su, S; Zheng, S | 1 |
| Aperia, A; Greengard, P; Ibarra, F; Klee, C; Svensson, LB | 1 |
| Pinardi, G; Vásquez, JV | 1 |
| Mori, K; Tani, A; Yoshihara, Y | 1 |
| Kodama, H; Kuratani, K; Yamaguchi, I; Yamazaki, M | 1 |
| Altiere, RJ; Diamond, L; Thompson, DC | 2 |
| Bojö, L; Cassuto, J; Nellgård, P | 2 |
| Bojö, L; Cassuto, J | 1 |
| Belcourt, A; Bousquet, P; Bricca, G; Dontenwill, M; Kempf, J; Molines, A; Stutzman, J | 1 |
| Tao, JY; Wang, P; Xu, SY | 1 |
| Dunn, WR; McGrath, JC; Wilson, VG | 3 |
| Faber, JE; Nishigaki, K; Ohyanagi, M | 2 |
| Anderson, KM; Faber, JE | 1 |
| Borbujo, J; Diéguez, G; García, JL; García-Villalón, AL; Gómez, B; Nava-Hernández, E; Valle, J | 1 |
| Abebe, W; MacLeod, KM | 1 |
| Di Bona, G; Finberg, JP; Lavian, G | 1 |
| Hill, SJ; Kendall, DA; Ruck, A | 1 |
| Maragoudakis, ME; Pipili-Synetos, E; Sideri, E | 1 |
| Berria, M; Pau, KY; Spies, HG | 1 |
| Drouva, SV; Faivre-Bauman, A; Kordon, C; Laplante, E; Loudes, C | 1 |
| Goldyne, ME; Gonzales, R; Levine, JD; Sherbourne, CD | 1 |
| Jungermann, K; Püschel, GP; Ulken, V | 1 |
| Carlén, B; Sjöberg, T; Steen, S; Willén, R | 1 |
| Schultheiss, A; Starke, K; Szabo, B | 1 |
| Fändriks, L; Hamlet, A; Jönson, C | 1 |
| Bund, SJ; Heagerty, AM; Jagger, C; Stephens, N | 1 |
| Guimarães, S; Moura, D; Nunes, P; Pereira, O; Vaz-da Silva, MJ | 1 |
| Gebhart, GF; Zhuo, M | 1 |
| Bing, GY; Filer, D; Miller, JC; Stone, EA | 1 |
| Reid, A; Sawynok, J | 1 |
| Burks, TF; Kramer, TH; Witt, PA | 1 |
| Nurminen, ML; Paakkari, I | 1 |
| Atkinson, BN; Minneman, KP | 1 |
| Fuller, SJ; Gaitanaki, CJ; Hatchett, RJ; Sugden, PH | 1 |
| Minneman, KP; Wilson, KM | 2 |
| Gitler, MS; Jose, PA; Piccio, MM; Robillard, JE | 1 |
| Chan, JY; Chan, SH; Pan, S | 1 |
| Mori-Okamoto, J; Namii, Y; Tatsuno, J | 1 |
| Hayashi, Y; Ikeda, K; Ohnishi, H; Watanabe, K | 1 |
| Breschi, MC; Ciucci, MA; Martinotti, E; Nieri, P; Omini, C; Pani, M | 1 |
| Burnett, A; Gebhart, GF | 1 |
| Biber, B; Henriksson, BA; Lundberg, J; Martner, J; Raner, C; Werner, O; Winsö, O | 1 |
| Amstislavskaja, TG; Naumenko, EV; Osadchuk, AV | 1 |
| Göthert, M; Molderings, GJ | 1 |
| Benedito, S; Garcia-Sacristan, A; Hernandez, M; Labadia, A; Prieto, D; Rivera, L | 1 |
| Hasenkam, JM; Mortensen, FV; Mulvany, MJ; Nielsen, H; Pilegaard, HK | 2 |
| Chandler, SH; Katakura, N | 1 |
| Brien, JF; Marks, GS; Nakatsu, K; Pym, J; Witte, S | 1 |
| Guenaneche, F; Lefebvre, RA; Schuurkes, JA | 1 |
| Bültmann, R; Starke, K; von Kügelgen, I | 2 |
| Anthone, GJ; Orandle, MS; Wang, BH; Yeo, CJ | 1 |
| Ando, M; Nagata, Y; Nakashima, Y | 1 |
| Atlas, D; Manolopoulos, VG; Pipili-Synetos, E; Synetos, D | 1 |
| Chen, KM; Guan, YY; Sun, JJ | 1 |
| Dement, WC; Guilleminault, C; Mignot, E; Nishino, S; Renaud, A | 1 |
| Hamada, K; Ishima, T; Kawabe, K; Moriyama, N | 1 |
| Aldegunde, MA; Míguez, I | 1 |
| Ahmad, S; Daniel, EE; Kwan, CY; Shi, AG | 2 |
| Gombar, CT; Gutzait, L; Hieble, JP; Sulpizio, AC | 1 |
| Mortensen, FV; Mulvany, MJ; Nielsen, H | 2 |
| Abebe, W; Harris, KH; MacLeod, KM | 1 |
| Mommsen, TP; Moon, TW | 1 |
| Armstrong, PW; Forster, C | 1 |
| Garcia-Villar, R; Lafontan, M; Toutain, PL; Vass-Lopez, A | 1 |
| Felder, CC; Kanterman, RY; McCune, SK; Voigt, MM | 1 |
| Inoue, M; McHugh, M; Pappius, HM | 1 |
| Daly, CJ; Dunn, WR; McGrath, JC; Wilson, VG | 2 |
| Fukuda, H; Mishima, A; Ono, H; Ono, S; Vasko, MR | 1 |
| Jeffries, WB; Pettinger, WA; Sun, L; Umemura, S; Yasuda, G | 1 |
| Morita, T | 1 |
| Dean, MT; Vanhoutte, PM; Wood, MB | 1 |
| Pittaluga, A; Raiteri, M; Torelli, R | 1 |
| Foo, H; Westbrook, RF | 1 |
| Macrae, IM; Reid, JL; Vila, E | 1 |
| Borisova, EV; Kadar, T; Telegdi, G | 1 |
| Bertolini, A; Marrama, D; Sandrini, M; Vergoni, AV | 1 |
| Wilson, SK | 1 |
| Bylund, DB; Halenda, SP; Jones, SB | 1 |
| Cragoe, EJ; Daniel, EE; Guan, YY; Hoo, K; Kwan, CY; Shi, AG; Wang, ZL | 1 |
| Ito, T; Kawarai, M; Koss, MC | 1 |
| Bishop, VS; Hay, M | 1 |
| Gotoh, K; Hori, M; Inoue, M; Iwakura, K; Kamada, T; Kitabatake, A; Kitakaze, M; Sato, H | 1 |
| Cordier, J; Delumeau, JC; Glowinski, J; Marin, P; Premont, J | 1 |
| Cai, B; Matsumoto, K; Ohta, H; Satoh, T; Watanabe, H | 1 |
| Elverdin, JC; Kaniucki, MO; Perec, CJ; Stefano, FJ | 1 |
| Bustamante, D; Cuevas, N; Miranda, HF; Moreu, GM; Wolstenholme, WW | 1 |
| Falkay, G | 1 |
| Nakajima, M; Ueda, M | 1 |
| Palmeri, A; Wiesendanger, M | 1 |
| Bulloch, JM; Starke, K | 1 |
| Aguila, MC; McCann, SM; Milenkovic, L; Rettori, V | 1 |
| Hashimoto, S; Kigoshi, S; Muramatsu, I; Ohmura, T; Oshita, M | 1 |
| Brown, CM; Kilpatrick, AT; MacKinnon, AC; McGrath, JC; Spedding, M | 1 |
| Gherezhiher, T; Koss, MC; Okubo, H | 1 |
| Danzebrink, RM; Gebhart, GF | 1 |
| Daniel, EE; Kwan, CY; Shi, AG; Wang, ZL | 1 |
| Hirakawa, S; Hirose, I; Ito, H; Nagata, K; Sahashi, T; Takai, K; Wada, H | 1 |
| Hashimoto, K; Hayashi, M; Tanii, H | 1 |
| Chandranath, SI; Gokhale, SD; Sharif, SI | 1 |
| De Boer, T; De Vos, CJ; Tonnaer, JA; Van Delft, AM | 1 |
| D'Oyley, HM; Pang, CC | 1 |
| Berlan, M; Galitzky, J; Lafontan, M; Montastruc, JL; Senard, JM; Stillings, M | 1 |
| Hyman, AL; Kadowitz, PJ; Lippton, HL | 2 |
| Horn, PT; Kohli, JD; Mercuro, G; Orelind, ER | 1 |
| Alari, L; Axelsson, KL; Persson, ML; Post, C; Uhlén, S; Wikberg, JE | 1 |
| Ferrier, GR; Han, XQ | 1 |
| Guimaraes, S; Nunes, JP | 1 |
| Rand, MJ; Xiao, XH | 1 |
| Filep, J; Simon, G; Zelles, T | 1 |
| Oda, S; Ohneda, A; Sasaki, Y; Tsuda, T | 1 |
| Cragoe, EJ; Hori, M; Iwakura, K; Kamada, T; Kitabatake, A; Watanabe, Y; Yoshida, H | 1 |
| Hsu, WH; Ko, JC; Smith, BE | 1 |
| Kigoshi, S; Muramatsu, I; Oshita, M | 1 |
| Bao, JX; Eriksson, IE; Stjärne, L | 1 |
| Biggio, G; Giorgi, O | 1 |
| Ayajiki, K; Toda, N | 1 |
| Reis, CC | 1 |
| Hertz, L; Subbarao, KV | 1 |
| Hsu, WH; Smith, BE; Yang, PC | 1 |
| Colin, JN; Lacomblez, L; Martin, P; Massol, J; Puech, AJ | 1 |
| Engel, JA; Söderpalm, B | 1 |
| Kagiya, T; Karliner, JS; Simpson, PC | 1 |
| Burnstock, G; Ellis, JL; Kasakov, L; Vlaskovska, M | 1 |
| Berger, J; Brown, CM; Clark, RD; Garg, P; Kilpatrick, AT; MacKinnon, AC; Spedding, M; Weinhardt, KK | 1 |
| Johnson, MD; Wray, A | 1 |
| Hieble, JP; Sauermelch, CF; Willette, RN | 1 |
| Faulkner, A; Pollock, HT | 1 |
| Furuta, H | 1 |
| Daly, CJ; Dunn, WR; McGrath, JC; Miller, DJ; Wilson, VG | 1 |
| Ito, M; Mikawa, H; Mutoh, K; Oguro, K; Shiraishi, H; Shirasaka, Y; Tsuda, H | 1 |
| Bealer, SL; Pugh, V; Schaumloffel, V | 1 |
| Guimarães, S; Moura, D; Vaz-da-Silva, MJ | 1 |
| Easton, JG; Goldberg, BJ; Herman, FF; Kaplan, M; Lad, PM; Neidzin, H | 1 |
| Edwards, JM; Harker, CT; Harris, EJ; Ousley, PJ; Porter, JM; Taylor, LM | 1 |
| Rattan, S; Yamato, S | 1 |
| Hey, JA; Ito, T; Koss, MC | 2 |
| Matta, SG; Sharp, BM; Singh, J | 1 |
| Culp, DJ; Graham, LA; Marin, MG; McBride, RK | 1 |
| Klaassen, AB; Rodrigues de Miranda, JF; Van Ginneken, CA; Van Megen, YJ; Wentges, BT | 1 |
| Katada, T; Matsubara, T; Tohkin, M; Yagami, T | 1 |
| Brandon, S; Cragoe, EJ; Guyer, CA; Horstman, DA; Limbird, LE; Wilson, AL | 1 |
| Berlan, M; Estan, L; Montastruc, JL; Senard, JM; Tran, MA | 1 |
| Defaux, JP; Junien, JL; Pascaud, X; Rozé, C | 1 |
| Hayashi, S; Kitamura, Y; Nomura, Y | 1 |
| Cohen, IS; Tromba, C | 1 |
| Camargo, LA; De Luca Junior, LA; Ferrari, AC; Menani, JV; Renzi, A; Saad, WA | 1 |
| Bian, RL; Lin, B; Mao, LG; Zhao, MH; Zheng, XF | 1 |
| Chan, SH; Lee, TY; Lui, PW | 1 |
| Andersson, KE; Forman, A; Funch-Jensen, P; Raundahl, U; Tøttrup, A | 1 |
| Bevan, JA; Oriowo, MA | 1 |
| Bennett, T; Mangroo, T; Neves, M; Rahmani, MA | 1 |
| Kondo, S; Latifpour, J; Morita, T; O'Hollaren, B; Weiss, RM | 2 |
| Bugajski, J; Gadek-Michalska, A; Połczyńska-Konior, G; Turoń, M | 1 |
| Alexander, E; Friedman, AH | 1 |
| Calianos, T; Muntz, KH | 1 |
| Hopper, DL; Hsu, WH; Schaffer, DD | 1 |
| Masuda, Y; Mollace, V; Nisticò, G; Pelaggi, T | 1 |
| Fujiwara, M; Kurahashi, K; Taniguchi, T; Tsukahara, T; Usui, H | 1 |
| Campbell, MD; Deth, RC; Honeyman, TW; Payne, RA | 1 |
| Agrawal, DK; Daniel, EE | 3 |
| Alexander, RW; Atkinson, WJ; Brock, TA; Colucci, WS; Gimbrone, MA | 1 |
| Edvinsson, L; Håkanson, R; Steen, S; Sundler, F; Uddman, R; Wahlestedt, C | 1 |
| Healy, DP; Insel, PA; Münzel, PA; Nord, EP; Potenza, CL; Snavely, MD | 1 |
| Chin, WP; Imai, S; Nakagawa, Y; Nakahara, H | 1 |
| Lepor, H; Shapiro, E | 1 |
| Pettinger, WA; Smyth, DD; Umemura, S | 4 |
| Dresse, A; Scuvée-Moreau, J | 1 |
| de Peyer, JE; Haeusler, G; Schultz, G; Yajima, M | 1 |
| Hieble, JP; Sulpizio, A | 1 |
| Jie, K; Timmermans, PB; van Brummelen, P; van Zwieten, PA; Vermey, P | 4 |
| Giesen-Crouse, E; Imbs, JL; Schmidt, M | 1 |
| Bache, RJ; Chen, DG; Dai, XZ; Zimmerman, BG | 1 |
| Bognar, IT; Enero, MA | 1 |
| Hughes, A; Inkpen, P; Sever, P | 1 |
| Beleslin, DB; Jovanović-Micić, D; Samardzić, R | 2 |
| Baumann, M; Lepor, H; Shapiro, E | 1 |
| Coffman, JD; Cohen, RA | 2 |
| Aoki, K; Asano, M; Matsuda, T | 1 |
| Dandona, P; Jeremy, JY | 1 |
| Barac-Nieto, M; Kelvie, SL; Stambo, GW; Sundaresan, PR | 1 |
| Hester, RK; Satake, N; Shibata, S | 1 |
| Aubry, ML; Burnstock, G; Chapple, CR; Davey, MJ; Greengrass, PM; James, S; Milroy, EJ; Turner-Warwick, RT | 1 |
| Li, DX; Shen, GS | 1 |
| Aisaka, K; Ishihara, T; Kihara, T; Koike, M; Kuroki, M | 1 |
| Ansuategui, M; Feria, M; Naharro, L | 1 |
| Chariot, J; Chovet, M; Rozé, C; Sautereau, D; Tsocas, A | 1 |
| Abdel-Rahman, AA; Russ, RD; Wooles, WR | 1 |
| Horohonich, S; Ohlstein, EH; Ruffolo, RR; Shebuski, RJ | 1 |
| Araki, S; Hayashi, Y; Hisa, H; Satoh, S; Tomura, Y | 1 |
| Kazmi, SM; Mishra, RK | 1 |
| Naidu, KA; Radhakrishnamurty, R | 1 |
| Anderson, RJ; Dillingham, MA | 1 |
| Koyama, T; Mikuni, M; Mori, H; Yamashita, I | 1 |
| Chen, GF; Komori, K; Suzuki, H | 1 |
| Handa, RJ; Resko, JA | 1 |
| Aurich, M; Bigl, V; Fischer, HD; Rudolph, E; Schliebs, R; Stewart, MG | 1 |
| Juhász-Nagy, A; Kékesi, V; Mader, MR; Rabloczky, G | 1 |
| Felder, RB; Feldman, PD | 2 |
| Sáiz, J; Sánchez, A; Torres, A | 3 |
| Etgen, AM; Petitti, N | 1 |
| Bedoy, CA; Mobley, PL; Northam, WJ | 1 |
| Cascio, CS; Dallman, MF; Darlington, DN; Shinsako, J; Suemaru, S | 1 |
| McElroy, ND; Zimmerman, BG | 1 |
| Macmillan, J; McGrath, JC; Storey, ND; Templeton, AG; Wilson, VG | 1 |
| Hughes, AD; Martin, GN; Mulvany, MJ; Nielsen, H; Sever, PS; Thom, SM | 1 |
| Kanda, A; Kimura, T; Koyanagawa, H; Musha, T; Satoh, S | 1 |
| Daniel, EE; Kwan, CY; Shi, AG | 1 |
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| Castor, MG; Duarte, ID; Romero, TR; Santos, RA | 1 |
| Chies, AB; de Souza Rossignoli, P; Pereira, OC; Yamamoto, FZ | 1 |
| Iwase, T; Jimbo, S; Kobayashi, T; Miyakawa, T; Ogon, I; Takebayashi, T; Tanimoto, K; Terashima, Y; Tohse, N; Yamashita, T | 1 |
| Coen, K; Funk, D; Lê, AD; Li, Z; Loughlin, A; Tamadon, S | 1 |
| Ebe, R; Fukase, S; Horikoshi, Y; Inagawa, K; Osakabe, N; Saito, A; Shibata, M | 1 |
| Endo, Y; Funayama, H; Murai, S; Nakamura, M; Otsuka, H; Saito, H; Sakai, M; Shikama, Y; Sugawara, S; Takada, H; Yokochi, T; Yu, Z | 1 |
| Itami, C; Kimura, F; Ohshima, M | 1 |
| Gil, D; Hsia, E; Tian, M | 1 |
| Biswas, HM | 1 |
| Castor, MGME; Duarte, IDG; Guzzo, LS; Klein, A; Petrocchi, JA; Romero, TRL; Soares Santos, RR | 1 |
| Antunes, MJ; Antunes, PE; Campos, MG; Cotrim, MD; Ferreira, M; Fonseca, DA | 1 |
| Alsufyani, HA; Docherty, JR; McCormick, PA | 1 |
| Albers, KM; Davis, BM; Edwards, BS; Ejoh, LL; Heuckeroth, RO; Howard, MJ; Meerschaert, KA; Najjar, SA; Schneider, S; Smith-Edwards, KM; Wright, CM | 1 |
| Alsufyani, HA; Daly, C; Docherty, JR | 1 |
| Ahn, SH; Bae, SI; Hwang, Y; Kim, JY; Kim, M; Kwon, SC; Lee, SH; Ok, SH; Park, KE; Sohn, JT | 1 |
Reviews
10 review(s) available for yohimbine and prazosin
| Article | Year |
|---|---|
alpha 2 adrenoceptors: classification, localization, mechanisms, and targets for drugs.
Topics: Adipose Tissue; Animals; Blood Platelets; Central Nervous System; Humans; Islets of Langerhans; Melanocytes; Muscle, Smooth, Vascular; Nerve Endings; Norepinephrine; Parasympathetic Nervous System; Radioligand Assay; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Serotonin; Synapses | 1982 |
Alpha- and beta-adrenoceptors: from the gene to the clinic. 1. Molecular biology and adrenoceptor subclassification.
Topics: Animals; Humans; Molecular Biology; Molecular Structure; Radioligand Assay; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta | 1995 |
Recent advances in selective alpha1-adrenoreceptor antagonists as antihypertensive agents.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Antagonists; Animals; Antihypertensive Agents; Humans; Hypertension; Molecular Structure; Receptors, Adrenergic, alpha-1; Risk Factors; Stereoisomerism; Structure-Activity Relationship | 2008 |
Somatostatin: a metabolic regulator.
Topics: Adrenocorticotropic Hormone; Animals; Bicarbonates; Bile; Blood Glucose; Calcium; Cyclic AMP; Digestive System Physiological Phenomena; Glucagon; Gluconeogenesis; Glycogen; Growth Hormone; Homeostasis; Humans; Insulin; Insulin Secretion; Kidney Cortex; Liver; Pancreas; Pituitary Gland; Prazosin; Prolactin; Pyruvates; Pyruvic Acid; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Somatostatin; Thyrotropin; Yohimbine | 1985 |
Heterogeneity of alpha-2 adrenergic receptors.
Topics: Animals; Blood Platelets; Brain; Cerebral Cortex; Clonidine; Corpus Striatum; Dogs; Guinea Pigs; Humans; Oxymetazoline; Prazosin; Radioligand Assay; Rats; Receptors, Adrenergic, alpha; Species Specificity; Submandibular Gland; Yohimbine | 1985 |
Rudolf Buchheim lecture. Drugs as tools in research on adrenoceptors.
Topics: Angiotensin II; Animals; Azepines; Blood Pressure; Clonidine; Guanabenz; Guanfacine; Guanidines; Heart Rate; Humans; Imidazoles; Methoxamine; Oxymetazoline; Phenylacetates; Prazosin; Propanolamines; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Thiophenes; Xylazine; Yohimbine | 1986 |
Renal alpha adrenoceptors.
Topics: Adenylyl Cyclase Inhibitors; Animals; Autoradiography; Hemodynamics; Kidney; Kidney Tubules; Kinetics; Prazosin; Receptors, Adrenergic, alpha; Regional Blood Flow; Renal Circulation; Renin; Tissue Distribution; Water-Electrolyte Balance; Yohimbine | 1984 |
Pharmacology of centrally acting hypotensive drugs.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Antihypertensive Agents; Blood Pressure; Brain; Clonidine; Guanfacine; Guanidines; Heart Rate; Humans; Imidazoles; Methyldopa; Phenylacetates; Prazosin; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Cholinergic; Yohimbine | 1980 |
Alpha-adrenergic receptor subtypes.
Topics: Animals; Binding, Competitive; Clonidine; Dihydroergotoxine; Epinephrine; Heart Rate; Humans; Hypertension; In Vitro Techniques; Models, Biological; Norepinephrine; Phentolamine; Prazosin; Radioligand Assay; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1980 |
Molecular mechanisms involved in alpha-adrenergic responses.
Topics: Adenylyl Cyclases; Alprostadil; Animals; Blood Platelets; Calcium; Clonidine; Cyclic AMP; Epinephrine; Glucose; Guanosine Triphosphate; Liver; Nordefrin; Phenylephrine; Phosphatidylinositols; Phosphorylase a; Phosphorylase b; Prazosin; Prostaglandins E; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Yohimbine | 1981 |
Trials
4 trial(s) available for yohimbine and prazosin
| Article | Year |
|---|---|
Alpha-adrenoceptors and the kidney.
Topics: Adrenergic alpha-Antagonists; Doxazosin; Humans; Hypertension; Kidney; Prazosin; Receptors, Adrenergic, alpha; Renal Circulation; Renin; Yohimbine | 1988 |
Vascular alpha-adrenoceptors in man: interactions with adrenaline and noradrenaline.
Topics: Adult; Doxazosin; Epinephrine; Forearm; Humans; Male; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Propranolol; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1985 |
Blockade of vasospastic attacks by alpha 2-adrenergic but not alpha 1-adrenergic antagonists in idiopathic Raynaud's disease.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adult; Female; Humans; Male; Middle Aged; Prazosin; Raynaud Disease; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Vasoconstriction; Yohimbine | 1995 |
Role of digital artery adrenoceptors in Raynaud's disease.
Topics: Adrenergic alpha-Antagonists; Adult; Arteries; Cold Temperature; Female; Fingers; Humans; Male; Plethysmography; Prazosin; Raynaud Disease; Receptors, Adrenergic; Regional Blood Flow; Vasoconstriction; Yohimbine | 1997 |
Other Studies
1323 other study(ies) available for yohimbine and prazosin
| Article | Year |
|---|---|
Pharmacological characteristics of alpha 2-adrenergic receptors: comparison of pharmacologically defined subtypes with subtypes identified by molecular cloning.
Topics: Adrenergic alpha-Antagonists; Animals; Cell Line; Cell Membrane; Cloning, Molecular; DNA; Humans; Lung; Radioligand Assay; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Tumor Cells, Cultured | 1992 |
New 1,4-dihydropyridine derivatives combining calcium antagonism and alpha-adrenolytic properties.
Topics: Animals; Aorta; Calcium Channel Blockers; Calcium Chloride; Cerebral Cortex; Chemical Phenomena; Chemistry; Coronary Vessels; Dihydropyridines; Guinea Pigs; Male; Molecular Structure; Muscle Contraction; Nitrendipine; Prazosin; Rats; Receptors, Adrenergic, alpha; Swine; Vas Deferens; Yohimbine | 1989 |
[3H]Batrachotoxinin A 20 alpha-benzoate binding to voltage-sensitive sodium channels: a rapid and quantitative assay for local anesthetic activity in a variety of drugs.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Anesthetics, Local; Animals; Batrachotoxins; Calcium Channel Blockers; Cyclic AMP; Guinea Pigs; Histamine H1 Antagonists; In Vitro Techniques; Ion Channels; Neurotoxins; Sodium; Tranquilizing Agents; Tritium | 1985 |
Berbanes: a new class of selective alpha 2-adrenoceptor antagonists.
Topics: Adrenergic alpha-Antagonists; Alkaloids; Animals; Berberine Alkaloids; Chemical Phenomena; Chemistry; Dioxanes; Guinea Pigs; Idazoxan; Ileum; Male; Muscle Contraction; Phentolamine; Prazosin; Pulmonary Artery; Rabbits; Rats; Receptors, Adrenergic, alpha; Vas Deferens; Yohimbine | 1987 |
Alpha 2-adrenergic agonists/antagonists: the synthesis and structure-activity relationships of a series of indolin-2-yl and tetrahydroquinolin-2-yl imidazolines.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Brain; Clonidine; Imidazoles; Indoles; Male; Mice; Nociceptors; Pain; Prazosin; Quinolines; Rats; Structure-Activity Relationship; Vas Deferens | 1987 |
Functional group contributions to drug-receptor interactions.
Topics: Animals; Calorimetry; Kinetics; Models, Biological; Protein Binding; Receptors, Cell Surface; Receptors, Drug; Structure-Activity Relationship | 1984 |
alpha-adrenoreceptor reagents. 1. Synthesis of some 1,4-benzodioxans as selective presynaptic alpha 2-adrenoreceptor antagonists and potential antidepressants.
Topics: Adrenergic alpha-Antagonists; Animals; Antidepressive Agents; Dioxins; Dose-Response Relationship, Drug; Idazoxan; Male; Mice; Phenylephrine; Rats; Rats, Inbred Strains; Structure-Activity Relationship; Synapses; Vas Deferens | 1983 |
l-1,2,3,4-Tetrahydro-8-methoxy-5-(methylthio)-2-naphthalenamine: a potent and selective agonist at alpha 1-adrenoceptors.
Topics: Adrenergic alpha-Agonists; Animals; Arteries; Crystallography; Naphthalenes; Norepinephrine; Rabbits; Stereoisomerism; Tetrahydronaphthalenes; Vasoconstriction; X-Rays | 1983 |
Quantitative relationships between alpha-adrenergic activity and binding affinity of alpha-adrenoceptor agonists and antagonists.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Binding, Competitive; Blood Pressure; Brain; Cell Membrane; Clonidine; Kinetics; Prazosin; Quinazolines; Rats; Receptors, Adrenergic, alpha; Structure-Activity Relationship; Vasoconstriction | 1984 |
Synthesis and antihypertensive activity of a series of 8-substituted 1-oxa-3,8-diazaspiro[4.5]decan-2-ones.
Topics: Animals; Antihypertensive Agents; Blood Pressure; Chemical Phenomena; Chemistry; Dogs; Epinephrine; Indoramin; Male; Norepinephrine; Oxazoles; Phentolamine; Phenylephrine; Rats; Spiro Compounds; Structure-Activity Relationship | 1981 |
Further characterization of human alpha 2-adrenoceptor subtypes: [3H]RX821002 binding and definition of additional selective drugs.
Topics: Adrenergic alpha-Antagonists; Animals; Binding, Competitive; Cell Line; Dioxanes; Humans; Idazoxan; Plasmids; Radioligand Assay; Receptors, Adrenergic, alpha; Transfection | 1994 |
The novel alpha-2 adrenergic radioligand [3H]-MK912 is alpha-2C selective among human alpha-2A, alpha-2B and alpha-2C adrenoceptors.
Topics: Adrenergic alpha-Antagonists; Animals; Binding, Competitive; CHO Cells; Cricetinae; Dibenzazepines; Humans; Imidazoles; Indoles; Isoindoles; Quinolizines; Radioligand Assay; Receptors, Adrenergic, alpha-2 | 1994 |
1-aryl-4-[(1-tetralinyl)alkyl]piperazines: alkylamido and alkylamino derivatives. Synthesis, 5-HT1A receptor affinity, and selectivity. 3.
Topics: Animals; Buspirone; Mass Spectrometry; Molecular Structure; Piperazines; Protein Binding; Rats; Receptors, Adrenergic; Receptors, Dopamine; Receptors, Serotonin; Receptors, Serotonin, 5-HT1; Serotonin; Serotonin Receptor Agonists | 1996 |
Structure-activity relationship studies on the 5-HT(1A) receptor affinity of 1-phenyl-4-[omega-(alpha- or beta-tetralinyl)alkyl]piperazines. 4.
Topics: Magnetic Resonance Spectroscopy; Piperazines; Radioligand Assay; Receptors, Serotonin; Structure-Activity Relationship | 1996 |
A series of 6- and 7-piperazinyl- and -piperidinylmethylbenzoxazinones with dopamine D4 antagonist activity: discovery of a potential atypical antipsychotic agent.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Antipsychotic Agents; CHO Cells; Corpus Striatum; Cricetinae; Dopamine; Dopamine Antagonists; Dopamine D2 Receptor Antagonists; Hippocampus; Magnetic Resonance Spectroscopy; Oxazines; Rats; Receptors, Dopamine D4 | 1999 |
Rational use of in vitro P-glycoprotein assays in drug discovery.
Topics: Adenosine Triphosphatases; Animals; ATP Binding Cassette Transporter, Subfamily B, Member 1; Cells, Cultured; Chromatography, Liquid; Enzyme Inhibitors; Fluoresceins; Fluorescent Dyes; Humans; Mass Spectrometry; Pharmacology; Spodoptera | 2001 |
2-n-Butyl-9-methyl-8-[1,2,3]triazol-2-yl-9H-purin-6-ylamine and analogues as A2A adenosine receptor antagonists. Design, synthesis, and pharmacological characterization.
Topics: Adenine; Adenosine A2 Receptor Antagonists; Animals; Cell Line; Cricetinae; Cricetulus; Drug Design; Humans; Imidazoles; Male; Models, Molecular; Motor Activity; Purines; Radioligand Assay; Rats; Rats, Inbred F344; Structure-Activity Relationship; Triazoles | 2005 |
Identification of a potent, selective, and orally active leukotriene a4 hydrolase inhibitor with anti-inflammatory activity.
Topics: Administration, Oral; Animals; Anti-Inflammatory Agents; Catalysis; Dogs; Drug Evaluation, Preclinical; Enzyme Inhibitors; Epoxide Hydrolases; Humans; Magnetic Resonance Spectroscopy; Mice; Structure-Activity Relationship | 2008 |
cis-4-(Piperazin-1-yl)-5,6,7a,8,9,10,11,11a-octahydrobenzofuro[2,3-h]quinazolin-2-amine (A-987306), a new histamine H4R antagonist that blocks pain responses against carrageenan-induced hyperalgesia.
Topics: Animals; Anti-Inflammatory Agents, Non-Steroidal; Benzofurans; Carrageenan; Disease Models, Animal; Drug Design; Drug Evaluation, Preclinical; Humans; Hyperalgesia; Ligands; Mice; Molecular Structure; Pain; Peritonitis; Quinazolines; Rats; Receptors, G-Protein-Coupled; Receptors, Histamine; Receptors, Histamine H4; Stereoisomerism; Structure-Activity Relationship | 2008 |
Cheminformatics analysis of assertions mined from literature that describe drug-induced liver injury in different species.
Topics: Animals; Chemical and Drug Induced Liver Injury; Cluster Analysis; Databases, Factual; Humans; MEDLINE; Mice; Models, Chemical; Molecular Conformation; Quantitative Structure-Activity Relationship | 2010 |
Discovery of {1-[4-(2-{hexahydropyrrolo[3,4-c]pyrrol-2(1H)-yl}-1H-benzimidazol-1-yl)piperidin-1-yl]cyclooctyl}methanol, systemically potent novel non-peptide agonist of nociceptin/orphanin FQ receptor as analgesic for the treatment of neuropathic pain: de
Topics: Analgesics; Animals; Benzimidazoles; Drug Design; Drug Evaluation, Preclinical; Humans; Microsomes, Liver; Neuralgia; Nociceptin Receptor; Pyrroles; Rats; Receptors, Opioid; Structure-Activity Relationship | 2010 |
Tryptophan 2,3-dioxygenase (TDO) inhibitors. 3-(2-(pyridyl)ethenyl)indoles as potential anticancer immunomodulators.
Topics: Animals; Antineoplastic Agents; Biological Availability; Cell Line; Drug Design; Enzyme Inhibitors; Humans; Immunologic Factors; Indoles; Kinetics; Mice; Neoplasms; Structure-Activity Relationship; Tryptophan Oxygenase | 2011 |
Mitigating the inhibition of human bile salt export pump by drugs: opportunities provided by physicochemical property modulation, in silico modeling, and structural modification.
Topics: Animals; ATP Binding Cassette Transporter, Subfamily B, Member 11; ATP-Binding Cassette Transporters; Bile Acids and Salts; Cell Line; Chemical and Drug Induced Liver Injury; Humans; Quantitative Structure-Activity Relationship | 2012 |
Cinnamides as selective small-molecule inhibitors of a cellular model of breast cancer stem cells.
Topics: Amides; Breast Neoplasms; Cell Line, Tumor; Drug Screening Assays, Antitumor; Female; Humans; Neoplastic Stem Cells; Small Molecule Libraries; Structure-Activity Relationship | 2013 |
Synthesis and structure-activity relationship studies in serotonin 5-HT(1A) receptor agonists based on fused pyrrolidone scaffolds.
Topics: Animals; Area Under Curve; Humans; Intestinal Absorption; Ligands; Male; Metabolic Clearance Rate; Models, Chemical; Models, Molecular; Molecular Structure; Protein Binding; Protein Structure, Tertiary; Pyrrolidinones; Radioligand Assay; Receptor, Serotonin, 5-HT1A; Receptors, Serotonin, 5-HT3; Serotonin 5-HT1 Receptor Agonists; Structure-Activity Relationship | 2013 |
Synthesis and biological evaluation of 2-(5-methyl-4-phenyl-2-oxopyrrolidin-1-yl)-acetamide stereoisomers as novel positive allosteric modulators of sigma-1 receptor.
Topics: Acetamides; Allosteric Regulation; Animals; Rats; Rats, Wistar; Receptors, sigma; Sigma-1 Receptor; Stereoisomerism; Structure-Activity Relationship | 2013 |
The synthesis and comparative receptor binding affinities of novel, isomeric pyridoindolobenzazepine scaffolds.
Topics: Benzodiazepinones; Isomerism; Protein Binding; Protein Structure, Tertiary; Receptors, Cell Surface | 2014 |
Novel arylsulfonamide derivatives with 5-HT₆/5-HT₇ receptor antagonism targeting behavioral and psychological symptoms of dementia.
Topics: Animals; Antidepressive Agents; Antipsychotic Agents; Avoidance Learning; Benzoxazoles; Catalepsy; CHO Cells; Cricetulus; Dementia; Dopamine D2 Receptor Antagonists; HEK293 Cells; Humans; Male; Models, Molecular; Motor Activity; Radioligand Assay; Rats, Wistar; Receptors, Serotonin; Serotonin Antagonists; Structure-Activity Relationship; Sulfonamides | 2014 |
Novel 5-HT6 receptor antagonists/D2 receptor partial agonists targeting behavioral and psychological symptoms of dementia.
Topics: Animals; Benzamides; Dementia; Dose-Response Relationship, Drug; Drug Partial Agonism; Humans; Indoles; Ligands; Male; Models, Molecular; Molecular Structure; Piperazines; Quinolones; Rats; Rats, Wistar; Receptors, Dopamine D2; Receptors, Serotonin; Structure-Activity Relationship; Swimming | 2015 |
Design, physico-chemical properties and biological evaluation of some new N-[(phenoxy)alkyl]- and N-{2-[2-(phenoxy)ethoxy]ethyl}aminoalkanols as anticonvulsant agents.
Topics: Amino Alcohols; Animals; Anticonvulsants; Chemistry, Physical; Dose-Response Relationship, Drug; Drug Design; Epilepsy; Male; Mice; Microsomes, Liver; Molecular Structure; Pilocarpine | 2016 |
Structure-anticonvulsant activity studies in the group of (E)-N-cinnamoyl aminoalkanols derivatives monosubstituted in phenyl ring with 4-Cl, 4-CH
Topics: Amino Alcohols; Animals; Anticonvulsants; Crystallography, X-Ray; Disease Models, Animal; Dose-Response Relationship, Drug; Electroshock; Mice; Models, Molecular; Molecular Structure; Rats; Seizures; Structure-Activity Relationship | 2017 |
Investigation of the Adrenergic and Opioid Binding Affinities, Metabolic Stability, Plasma Protein Binding Properties, and Functional Effects of Selected Indole-Based Kratom Alkaloids.
Topics: Adrenergic Agents; Analgesics; Animals; Blood Proteins; CHO Cells; Cricetulus; Dopamine Agents; Guinea Pigs; Humans; Microsomes, Liver; Rats; Receptors, Adrenergic; Receptors, Opioid; Secologanin Tryptamine Alkaloids | 2020 |
Selectivity of blocking agents for pre-and postsynaptic alpha-adrenoceptors.
Topics: Adrenergic alpha-Antagonists; Animals; Clonidine; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth; Norepinephrine; Phenoxybenzamine; Phentolamine; Prazosin; Rats; Synapses; Vas Deferens; Yohimbine | 1977 |
Evidence for two distinct types of postsynaptic alpha-adrenoceptor in vascular smooth muscle in vivo.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Pressure; Cats; Female; In Vitro Techniques; Male; Muscle, Smooth, Vascular; Prazosin; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Regional Blood Flow; Spinal Cord; Yohimbine | 1979 |
Direct biochemical demonstration of two types of alpha-adrenoreceptor in rat brain.
Topics: Animals; Binding, Competitive; Brain; Clonidine; Dihydroergotoxine; Dopamine; Male; Phenoxybenzamine; Phentolamine; Piperoxan; Prazosin; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Synaptic Membranes; Yohimbine | 1978 |
Prazosin and presynaptic alpha-receptors in the cardioaccelerator nerve of the dog.
Topics: Animals; Clonidine; Dogs; Electric Stimulation; Female; Heart; Heart Rate; Male; Myocardial Contraction; Phentolamine; Prazosin; Pulmonary Artery; Quinazolines; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Vagotomy; Yohimbine | 1978 |
Alpha-adrenergic receptor subtypes: quantitative assessment by ligand binding.
Topics: Animals; Binding, Competitive; Blood Platelets; Cell Membrane; Dihydroergotoxine; Female; Humans; Kinetics; Ligands; Liver; Phentolamine; Prazosin; Protein Binding; Radioligand Assay; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Uterus; Yohimbine | 1979 |
A possibe alpha-adrenergic mechanism for drug (CRL 40028)-induced hyperactivity.
Topics: Animals; Benzhydryl Compounds; Dose-Response Relationship, Drug; Hydroxamic Acids; Male; Mice; Motor Activity; Phenoxybenzamine; Prazosin; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1979 |
Possible subdivision of postsynaptic alpha-adrenoceptors mediating pressor responses in the pithed rat.
Topics: Animals; Blood Pressure; Dose-Response Relationship, Drug; Male; Phenylephrine; Prazosin; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Spinal Cord; Yohimbine | 1979 |
Effect of clonidine on utilization and potassium-evoked release of adrenaline in rat brain areas.
Topics: Animals; Brain; Clonidine; Epinephrine; Hypothalamus; Male; Organ Specificity; Potassium; Prazosin; Rats; Yohimbine | 1979 |
Anticonvulsant effect of yohimbine in quaking mice: antagonism by clonidine and prazosine.
Topics: Animals; Anticonvulsants; Clonidine; Male; Mice; Mice, Quaking; Phentolamine; Prazosin; Quinazolines; Seizures; Yohimbine | 1979 |
Modification by antihypertensive drugs of amphetamine-induced stereotypy in rats.
Topics: Animals; Antihypertensive Agents; Behavior; Clonidine; Dextroamphetamine; Drug Interactions; Humans; Male; Mianserin; Prazosin; Rats; Stereotyped Behavior; Yohimbine | 1979 |
Mechanisms of adrenaline-induced antinociception in mice.
Topics: Analgesics; Animals; Epinephrine; Injections, Spinal; Male; Mice; Mice, Inbred ICR; Naloxone; Pain; Prazosin; Propranolol; Sensory Thresholds; Yohimbine | 1992 |
Calcitonin gene related peptide relaxes cholecystokinin-induced contraction in guinea pig gallbladder strips in vitro.
Topics: Animals; Arginine; Atropine; Calcitonin Gene-Related Peptide; Cholecystokinin; Gallbladder; Glyburide; Guanethidine; Guinea Pigs; Hexamethonium Compounds; In Vitro Techniques; Isoproterenol; Male; Muscle Contraction; Muscle, Smooth; NG-Nitroarginine Methyl Ester; Phentolamine; Phenylephrine; Prazosin; Propranolol; Sincalide; Yohimbine | 1992 |
Action of alpha 2A-adrenergic receptors in circular smooth muscle of canine proximal colon.
Topics: Adenylate Cyclase Toxin; Animals; Binding, Competitive; Cell Membrane; Clonidine; Colforsin; Colon; Dogs; Epinephrine; Female; In Vitro Techniques; Isoproterenol; Kinetics; Male; Muscle Contraction; Muscle, Smooth; Oxymetazoline; Pertussis Toxin; Prazosin; Receptors, Adrenergic, alpha; Tetrodotoxin; Virulence Factors, Bordetella; Yohimbine | 1992 |
Stable expression of recombinant human alpha 2-adrenoceptor subtypes in two mammalian cell lines: characterization with [3H]rauwolscine binding, inhibition of adenylate cyclase and RNase protection assay.
Topics: Adenylyl Cyclase Inhibitors; Animals; Autoradiography; Cell Line; Cloning, Molecular; Cyclic AMP; Gene Expression; GTP-Binding Proteins; Humans; Mammals; Plasmids; Prazosin; Receptors, Adrenergic, alpha; Recombinant Proteins; Ribonucleases; RNA Probes; Transfection; Yohimbine | 1992 |
Characteristics of alpha-adrenoceptors in two human colorectal cancer cell lines.
Topics: Binding, Competitive; Colorectal Neoplasms; Humans; Prazosin; Receptors, Adrenergic, alpha; Tumor Cells, Cultured; Yohimbine | 1992 |
Functional characterization of alpha-adrenoceptors on pancreatic islets of fa/fa Zucker rats.
Topics: Animals; Cells, Cultured; Clonidine; Colforsin; Cyclic AMP; Dose-Response Relationship, Drug; Epinephrine; Female; Glucose; Insulin; Islets of Langerhans; Obesity; Prazosin; Rats; Rats, Zucker; Receptors, Adrenergic, alpha; Yohimbine | 1992 |
Stimulation of alpha 2-adrenoreceptors blunts the phosphaturic response to parathyroid hormone.
Topics: Animals; Cyclic AMP; Epinephrine; Kidney; Male; Parathyroid Hormone; Parathyroidectomy; Phosphates; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Thyroidectomy; Yohimbine | 1992 |
Neurally evoked responses of human isolated resistance arteries are mediated by both alpha 1- and alpha 2-adrenoceptors.
Topics: Arteries; Electric Stimulation; Humans; In Vitro Techniques; Prazosin; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1992 |
Studies on the functional role of alpha-adrenoceptors in the cardiac sympathetic ganglia of the dog.
Topics: Animals; Dimethylphenylpiperazinium Iodide; Dogs; Electric Stimulation; Ganglia, Sympathetic; Heart; Heart Rate; Prazosin; Receptors, Adrenergic, alpha; Receptors, Nicotinic; Yohimbine | 1992 |
The contribution of alpha-adrenoceptors to neurally-mediated contractions of the rabbit urethral smooth muscle.
Topics: Animals; Clonidine; Electric Stimulation; Female; In Vitro Techniques; Isometric Contraction; Muscle Contraction; Muscle, Smooth; Neurons; Norepinephrine; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Urethra; Yohimbine | 1992 |
Effects of noradrenaline on rat paratracheal neurones and localization of an endogenous source of noradrenaline.
Topics: Animals; Chromatography, High Pressure Liquid; Dopamine; Female; Male; Membrane Potentials; Muscle, Smooth; Neurons; Norepinephrine; Prazosin; Propranolol; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha; Trachea; Yohimbine | 1992 |
Adrenergic inhibition of insulin secretion involves pertussis toxin-sensitive and -insensitive mechanisms.
Topics: Analysis of Variance; Animals; Epinephrine; Glucagon; GTP-Binding Proteins; In Vitro Techniques; Insulin; Insulin Secretion; Islets of Langerhans; Male; Pertussis Toxin; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Virulence Factors, Bordetella; Yohimbine | 1992 |
Central alpha 2-adrenoceptor-mediated pressor response to clonidine in conscious, spontaneously hypertensive rats.
Topics: Anesthesia; Animals; Blood Pressure; Clonidine; Dose-Response Relationship, Drug; Furosemide; Heart Rate; Hypertension; Injections, Intraventricular; Male; Prazosin; Rats; Rats, Inbred SHR; Rats, Inbred WKY; Receptors, Adrenergic, alpha; Water Deprivation; Yohimbine | 1992 |
Different types of norepinephrinergic receptors are involved in preoptic area mediated independent modulation of sleep-wakefulness and body temperature.
Topics: Acetamides; Animals; Body Temperature Regulation; Clonidine; Isoproterenol; Male; Methoxamine; Prazosin; Preoptic Area; Propranolol; Rats; Rats, Wistar; Receptors, Adrenergic; Sleep; Sodium Chloride; Wakefulness; Yohimbine | 1992 |
Effect of cimetidine on the density of adrenergic alpha-1 and alpha-2 receptors in the rat whole prostate.
Topics: Animals; Cimetidine; Kinetics; Male; Prazosin; Prostate; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha; Yohimbine | 1992 |
Release of endogenous noradrenaline from the vascularly perfused rat stomach in vitro: modulation by pre- and postsynaptic adrenoceptors.
Topics: Animals; Butoxamine; Calcium; Chromatography, High Pressure Liquid; Clonidine; Electric Stimulation; Ganglionic Blockers; Gastric Mucosa; Hexamethonium; Hexamethonium Compounds; In Vitro Techniques; Isoproterenol; Male; Methoxamine; Metoprolol; Norepinephrine; Perfusion; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Splanchnic Nerves; Stomach; Tetrodotoxin; Yohimbine | 1992 |
Mediation of contraction and relaxation by alpha- and beta-adrenoceptors in the ureterovesical junction of the sheep.
Topics: Adrenergic alpha-Agonists; Animals; Butoxamine; Isoproterenol; Male; Muscle Contraction; Muscle Relaxation; Muscle, Smooth; Prazosin; Propanolamines; Propranolol; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Sheep; Urinary Bladder; Yohimbine | 1992 |
Alpha-adrenergic input in the locus coeruleus modulates plasma adrenocorticotropin in cats.
Topics: Adrenocorticotropic Hormone; Animals; Blood Pressure; Cats; Clonidine; Female; Glutamates; Glutamic Acid; Kinetics; Locus Coeruleus; Male; Microinjections; Phenylephrine; Pons; Prazosin; Radioimmunoassay; Receptors, Adrenergic, alpha; Reference Values; Time Factors; Yohimbine | 1992 |
Nature of [3H]rilmenidine binding to membranes of rat cerebral cortex.
Topics: Adrenergic alpha-Agonists; Amiloride; Animals; Binding Sites; Catecholamines; Cell Membrane; Cerebral Cortex; Guanidine; Guanidines; Imidazoles; Oxazoles; Prazosin; Rats; Receptors, Adrenergic; Rilmenidine; Tritium; Yohimbine | 1992 |
The effect of some alpha-adrenoceptor antagonists on spontaneous myogenic activity in the rat portal vein and the putative involvement of ATP-sensitive K+ channels.
Topics: Adenosine Triphosphate; Adrenergic alpha-Antagonists; Animals; Dioxanes; Dose-Response Relationship, Drug; Idazoxan; In Vitro Techniques; Male; Phentolamine; Portal Vein; Potassium Channels; Prazosin; Rats; Rats, Inbred Strains; Vasoconstriction; Yohimbine | 1992 |
Receptor-coupled uptake of valproate in rat astroglial primary cultures.
Topics: 6-Cyano-7-nitroquinoxaline-2,3-dione; Animals; Animals, Newborn; Astrocytes; Biological Transport; Cells, Cultured; Cerebral Cortex; Clonidine; Drug Interactions; Glutamates; Glutamic Acid; Isoproterenol; Kainic Acid; Ketanserin; Phenylephrine; Prazosin; Quinoxalines; Quisqualic Acid; Rats; Rats, Inbred Strains; Receptors, Neurotransmitter; Serotonin; Valproic Acid; Yohimbine | 1992 |
Adrenoceptor mechanisms in the cardiovascular effects of cocaine in conscious squirrel monkeys.
Topics: Adrenergic beta-Antagonists; Animals; Atenolol; Blood Pressure; Cocaine; Heart Rate; Labetalol; Male; Phentolamine; Prazosin; Propanolamines; Propranolol; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Saimiri; Yohimbine | 1992 |
Cardiovascular actions of a new selective postjunctional alpha-adrenoceptor antagonist, SK&F 104856, in normotensive and hypertensive dogs.
Topics: Adrenergic alpha-Antagonists; Animals; Benzazepines; Blood Pressure; Cardiovascular Physiological Phenomena; Cardiovascular System; Dogs; Female; Heart Rate; Hypertension, Renovascular; Male; Myocardial Contraction; Prazosin; Yohimbine | 1992 |
Orthostatic hypotension occurs following alpha 2-adrenoceptor blockade in chronic prazosin-pretreated conscious spontaneously hypertensive rats.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Blood Pressure; Dose-Response Relationship, Drug; Heart Rate; Hypertension; Hypotension, Orthostatic; Male; Prazosin; Rats; Rats, Inbred SHR; Receptors, Adrenergic, alpha; Yohimbine | 1992 |
Modulation of non-adrenergic non-cholinergic inhibitory neurotransmission in rat gastric fundus by the alpha 2-adrenoceptor agonist, UK-14,304.
Topics: Adrenergic alpha-Agonists; Animals; Autonomic Nervous System; Brimonidine Tartrate; Electric Stimulation; Gastric Fundus; In Vitro Techniques; Male; Muscle Relaxation; Nitric Oxide; Prazosin; Quinoxalines; Rats; Rats, Wistar; Synaptic Transmission; Vasoactive Intestinal Peptide; Yohimbine | 1992 |
Neuropeptide Y inhibits beta-adrenergic agonist- and vasoactive intestinal peptide-induced cyclic AMP accumulation in rat pinealocytes through pertussis toxin-sensitive G protein.
Topics: Adrenergic beta-Agonists; Animals; Cells, Cultured; Cyclic AMP; Dose-Response Relationship, Drug; GTP-Binding Proteins; Isoproterenol; Male; Neuropeptide Y; Norepinephrine; Pertussis Toxin; Pineal Gland; Prazosin; Rats; Rats, Wistar; Vasoactive Intestinal Peptide; Virulence Factors, Bordetella; Yohimbine | 1992 |
Adrenergic mechanisms underlying cardiac and vascular responses to cocaine in conscious rats.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Blood Pressure; Cocaine; Dioxanes; Drug Interactions; Heart Rate; Idazoxan; Male; Metoprolol; Prazosin; Propranolol; Rats; Rats, Sprague-Dawley; Vascular Resistance; Vasodilation; Yohimbine | 1992 |
Is the neuronal ATP release from guinea-pig vas deferens subject to alpha 2-adrenoceptor-mediated modulation?
Topics: Adenosine Triphosphate; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Berberine; Clonidine; Electric Stimulation; Guinea Pigs; Imidazoles; Male; Medetomidine; Muscle Contraction; Muscle, Smooth; Neurons; Norepinephrine; Oxymetazoline; Prazosin; Receptors, Adrenergic, alpha; Reserpine; Vas Deferens; Xylazine; Yohimbine | 1992 |
An analysis of adrenergic influences on the sural-gastrocnemius reflex of the decerebrated rabbit.
Topics: Adrenergic alpha-Antagonists; Animals; Benzazepines; Decerebrate State; Dioxanes; Dose-Response Relationship, Drug; Electric Stimulation; Female; Idazoxan; Injections, Spinal; Male; Muscles; Prazosin; Rabbits; Reflex; Sural Nerve; Sympathetic Nervous System; Yohimbine | 1992 |
[Effects of four adrenergic drugs on electroacupuncture analgesia].
Topics: Acupuncture Analgesia; Adrenergic alpha-Agonists; Animals; Clonidine; Electroacupuncture; Female; Methoxamine; Pain Threshold; Prazosin; Rats; Yohimbine | 1992 |
Calcineurin mediates alpha-adrenergic stimulation of Na+,K(+)-ATPase activity in renal tubule cells.
Topics: Animals; Calcimycin; Calcineurin; Calmodulin-Binding Proteins; Kidney Cortex; Kidney Tubules, Proximal; Kinetics; Models, Biological; Oxymetazoline; Peptides; Phosphoprotein Phosphatases; Polyenes; Prazosin; Rats; Receptors, Adrenergic, alpha; Signal Transduction; Sirolimus; Sodium-Potassium-Exchanging ATPase; Tacrolimus; Yohimbine | 1992 |
Vasomotor responses in the isolated perfused external and internal carotid vascular beds of the rat.
Topics: Animals; Blood Pressure; Carotid Arteries; Carotid Artery, External; Carotid Artery, Internal; Female; In Vitro Techniques; Ketanserin; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Rats; Serotonin; Sympathetic Nervous System; Yohimbine | 1992 |
Increase in cytoplasmic free Ca2+ elicited by noradrenalin and serotonin in cultured local interneurons of mouse olfactory bulb.
Topics: Animals; Animals, Newborn; Calcium; Cells, Cultured; Cytoplasm; Fura-2; Glutamate Decarboxylase; Immunohistochemistry; Interneurons; Ketanserin; Kinetics; Mice; Mice, Inbred Strains; Microscopy, Fluorescence; Neurofilament Proteins; Norepinephrine; Olfactory Bulb; Prazosin; Serotonin; Yohimbine | 1992 |
Possible involvement of hyperinsulinemia and adrenergic activation in the pathogenesis of indomethacin-induced antral ulcers in nonfasted hamsters and refed rats.
Topics: Animals; Atropine; Cricetinae; Famotidine; Fasting; Indomethacin; Insulin; Male; Mesocricetus; Prazosin; Propranolol; Pyloric Antrum; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic; Stomach Ulcer; Streptozocin; Yohimbine | 1992 |
Atypical presynaptic alpha-adrenoceptor modulation of neurally-mediated cholinergic responses in guinea-pig tracheal smooth muscle.
Topics: Animals; Clonidine; Drug Interactions; Guinea Pigs; Male; Muscle Contraction; Muscle, Smooth; Norepinephrine; Prazosin; Trachea; Yohimbine | 1992 |
Pain-induced inhibition of gastric motility is mediated by adrenergic and vagal non-adrenergic reflexes in the rat.
Topics: Anesthesia; Animals; Autonomic Nervous System; Gastrointestinal Motility; Male; Muscle Relaxation; Neural Pathways; Pain; Prazosin; Rats; Rats, Sprague-Dawley; Sympathetic Nervous System; Vagotomy; Vagus Nerve; Yohimbine | 1992 |
Gastric reflex relaxation by colonic distension.
Topics: Anesthesia; Animals; Colon; Gastrointestinal Motility; Muscle Tonus; Naloxone; Potassium Chloride; Prazosin; Pressure; Propranolol; Rats; Rats, Inbred Strains; Reflex; Vagotomy; Yohimbine | 1992 |
Production and characterization of an iminoimidazolidine specific monoclonal antibody using para-aminoclonidine as antigen.
Topics: Animals; Antibodies, Monoclonal; Antibody Specificity; Antigen-Antibody Reactions; Antigens; Binding, Competitive; Brain; Clonidine; Female; Glutaral; Hemocyanins; Humans; Imidazoles; Kinetics; Mice; Mice, Inbred BALB C; Prazosin; Tissue Extracts; Vaccines, Synthetic; Yohimbine | 1992 |
[Inhibitory effect of clonidine on hemolysis after thermal injury in animals].
Topics: Animals; Burns; Clonidine; Glutathione; Glutathione Peroxidase; Hemolysis; Male; Mice; Norepinephrine; Osmotic Fragility; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1992 |
Influence of angiotensin II on the alpha-adrenoceptors involved in mediating the response to sympathetic nerve stimulation in the rabbit isolated distal saphenous artery.
Topics: Angiotensin II; Animals; Electric Stimulation; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Sympathetic Nervous System; Yohimbine | 1991 |
Occlusion of cremaster collateral circulation alters microvascular reactivity.
Topics: Animals; Arterioles; Collateral Circulation; Male; Muscle, Smooth, Vascular; Nitroprusside; Norepinephrine; Phentolamine; Potassium Chloride; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sensitivity and Specificity; Venules; Yohimbine | 1991 |
Differential sensitivity of arteriolar alpha 1- and alpha 2-adrenoceptor constriction to metabolic inhibition during rat skeletal muscle contraction.
Topics: Animals; Arterioles; Electric Stimulation; Male; Muscle Contraction; Muscles; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1991 |
Alpha 1- and alpha 2-adrenergic response in human isolated skin arteries during cooling.
Topics: Adult; Aged; Arteries; Clonidine; Cold Temperature; Drug Interactions; Humans; In Vitro Techniques; Isometric Contraction; Middle Aged; Muscle, Smooth, Vascular; Norepinephrine; Phentolamine; Phenylephrine; Potassium; Prazosin; Receptors, Adrenergic, alpha; Regional Blood Flow; Skin; Yohimbine | 1991 |
Enhanced arterial contractility to noradrenaline in diabetic rats is associated with increased phosphoinositide metabolism.
Topics: Animals; Aorta, Thoracic; Arteries; Blood Glucose; Diabetes Mellitus, Experimental; Inositol; Inositol Phosphates; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phosphatidylinositols; Phosphorus Radioisotopes; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1991 |
Inhibition of sympathetic nerve activity by acute administration of the tricyclic antidepressant desipramine.
Topics: Animals; Blood Pressure; Desipramine; Drug Interactions; Heart Rate; Kidney; Male; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Splanchnic Nerves; Sympathetic Nervous System; Yohimbine | 1991 |
Alpha- and beta-adrenoceptor regulation of cyclic AMP accumulation in cultured rat astrocytes. A comparison of primary protoplasmic and mixed fibrous/protoplasmic astroglial cultures.
Topics: Adrenergic Antagonists; Animals; Astrocytes; Cells, Cultured; Cyclic AMP; Dose-Response Relationship, Drug; Drug Interactions; Isoproterenol; Isradipine; Microscopy, Phase-Contrast; Norepinephrine; Phentolamine; Prazosin; Pyridines; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Yohimbine | 1991 |
Role of endothelium on alpha-adrenoceptor responsiveness and prostacyclin release from the mesenteric arterial bed of the rat.
Topics: Animals; Arginine; Dose-Response Relationship, Drug; Endothelium, Vascular; Epoprostenol; In Vitro Techniques; Male; Mesenteric Arteries; Norepinephrine; omega-N-Methylarginine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1991 |
Evidence for alpha 1-adrenergic involvement in neuropeptide Y-stimulated GnRH release in female rabbits.
Topics: Animals; Female; Gonadotropin-Releasing Hormone; Hypothalamus, Middle; Luteinizing Hormone; Neuropeptide Y; Norepinephrine; Ovariectomy; Prazosin; Prolactin; Rabbits; Receptors, Adrenergic, alpha; Yohimbine | 1991 |
Alpha 1-adrenergic receptor coupling with phospholipase-C is negatively regulated by protein kinase-C in primary cultures of hypothalamic neurons and glial cells.
Topics: Animals; Astrocytes; Calcium Channels; Cell Membrane; Cells, Cultured; Chromatography, Ion Exchange; Clonidine; Diglycerides; Feedback; GTP-Binding Proteins; Hypothalamus; Inositol Phosphates; Kinetics; Membrane Lipids; Mice; Neurons; Norepinephrine; Phenoxybenzamine; Phosphatidylinositols; Prazosin; Propranolol; Protein Kinase C; Receptors, Adrenergic, alpha; Tetradecanoylphorbol Acetate; Type C Phospholipases; Yohimbine | 1991 |
Noradrenaline-induced prostaglandin production by sympathetic postganglionic neurons is mediated by alpha 2-adrenergic receptors.
Topics: 6-Ketoprostaglandin F1 alpha; Animals; Denervation; Dinoprostone; Epoprostenol; Female; Ganglia, Sympathetic; Male; Neurons; Norepinephrine; Prazosin; Quinacrine; Rats; Receptors, Adrenergic, alpha; Yohimbine | 1991 |
Increase in glucose and lactate output and perfusion resistance by stimulation of hepatic nerves in isolated perfused rat liver: role of alpha 1-, alpha 2-, beta 1- and beta 2-receptors.
Topics: Animals; Butoxamine; Electric Stimulation; Glucose; Hemodynamics; Isoproterenol; Kinetics; Lactates; Liver; Male; Metoprolol; Norepinephrine; Perfusion; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Yohimbine | 1991 |
Contractile and morphologic properties of a saphenous vein after 12 years as an aortocoronary bypass graft.
Topics: Angina Pectoris; Coronary Artery Bypass; Humans; Male; Microscopy, Electron; Microscopy, Electron, Scanning; Middle Aged; Muscle Contraction; Norepinephrine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Recurrence; Saphenous Vein; Time Factors; Vascular Patency; Yohimbine | 1991 |
The noradrenaline uptake inhibitor, (+)-oxaprotiline, but not the inactive enantiomer, (-)-oxaprotiline, inhibits sympathetic nerve activity in the rabbit: involvement of adrenoceptors.
Topics: Animals; Blood Pressure; Clonidine; Drug Interactions; Ganglia, Sympathetic; Heart Rate; Kidney; Maprotiline; Neurotransmitter Uptake Inhibitors; Norepinephrine; Prazosin; Propranolol; Rabbits; Receptors, Adrenergic, alpha; Stereoisomerism; Sympathetic Nervous System; Yohimbine | 1991 |
Hypovolaemia inhibits acid-induced alkaline transport in the rat duodenum via an alpha-2 adrenergic mechanism.
Topics: Animals; Bicarbonates; Biological Transport; Blood Pressure; Blood Volume; Duodenum; Gastrointestinal Hemorrhage; Guanethidine; Intestinal Mucosa; Male; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sympatholytics; Yohimbine | 1991 |
Arterial neuroeffector responses in early and mature spontaneously hypertensive rats.
Topics: Animals; Arteries; Cocaine; Electric Stimulation; Hypertension; Male; Neuroeffector Junction; Prazosin; Rats; Rats, Inbred SHR; Rats, Inbred WKY; Receptors, Adrenergic, alpha; Yohimbine | 1991 |
Involvement of alpha 1- and alpha 2-adrenoceptors in the responses of proximal and distal segments of the canine saphenous vein to exogenous and endogenous noradrenaline.
Topics: Animals; Cocaine; Dogs; Drug Interactions; Electric Stimulation; Female; Male; Norepinephrine; Prazosin; Receptors, Adrenergic, alpha; Saphenous Vein; Tyramine; Vasoconstriction; Yohimbine | 1991 |
Tonic cholinergic inhibition of spinal mechanical transmission.
Topics: Animals; Biogenic Monoamines; Cholinergic Antagonists; Drug Interactions; Endorphins; Hot Temperature; Injections, Spinal; Male; Morphine; Naloxone; Pain Measurement; Parasympatholytics; Physical Stimulation; Prazosin; Rats; Rats, Inbred Strains; Reaction Time; Receptors, Adrenergic; Spinal Cord; Synaptic Transmission; Tail; Yohimbine | 1991 |
Noradrenergic activation of immediate early genes in rat cerebral cortex.
Topics: Animals; Blotting, Northern; Cerebral Cortex; Gene Expression Regulation; Male; Norepinephrine; Prazosin; Propranolol; Rats; Rats, Inbred Strains; RNA, Messenger; Yohimbine | 1991 |
Noradrenergic and purinergic involvement in spinal antinociception by 5-hydroxytryptamine and 2-methyl-5-hydroxytryptamine.
Topics: Analgesics; Animals; Dose-Response Relationship, Drug; Injections, Spinal; Male; Oxidopamine; Pain; Phentolamine; Prazosin; Purinergic Antagonists; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Purinergic; Serotonin; Spinal Cord; Theophylline; Yohimbine | 1991 |
Norepinephrine and ATP are synergistic in the mouse vas deferens preparation.
Topics: Adenosine Triphosphate; Animals; Drug Synergism; Electric Stimulation; In Vitro Techniques; Male; Mice; Mice, Inbred ICR; Muscle Contraction; Muscle, Smooth; Norepinephrine; Prazosin; Receptors, Adrenergic, alpha; Vas Deferens; Yohimbine | 1991 |
Role of peripheral and central catecholaminergic and cholinergic mechanisms in the cardiovascular effects of thyrotropin-releasing hormone.
Topics: Animals; Atenolol; Atropine Derivatives; Blood Pressure; Brain; Butoxamine; Cerebral Ventricles; Fenclonine; Haloperidol; Heart Rate; Injections, Intraperitoneal; Injections, Intraventricular; Male; Prazosin; Rats; Rats, Inbred Strains; Receptors, Neurotransmitter; Receptors, Thyrotropin-Releasing Hormone; Reserpine; Thyrotropin-Releasing Hormone; Vagotomy; Yohimbine | 1991 |
Multiple adrenergic receptor subtypes controlling cyclic AMP formation: comparison of brain slices and primary neuronal and glial cultures.
Topics: Adrenergic alpha-Agonists; Aging; Animals; Animals, Newborn; Cells, Cultured; Cerebral Cortex; Colforsin; Cyclic AMP; Drug Synergism; Isoproterenol; Kinetics; Neuroglia; Neurons; Norepinephrine; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Yohimbine | 1991 |
Acute alpha 1-adrenergic stimulation of cardiac protein synthesis may involve increased intracellular pH and protein kinase activity.
Topics: Adrenergic alpha-Agonists; Alkaloids; Animals; Epinephrine; Hydrogen-Ion Concentration; Hydrolysis; Insulin; Myocardium; Prazosin; Propranolol; Protein Kinases; Rats; Staurosporine; Tetradecanoylphorbol Acetate; Yohimbine | 1991 |
Synergistic interactions between alpha 1- and alpha 2-adrenergic receptors in activating 3H-inositol phosphate formation in primary glial cell cultures.
Topics: Adrenergic alpha-Agonists; Animals; Brain; Brimonidine Tartrate; Cells, Cultured; Dose-Response Relationship, Drug; Inositol Phosphates; Neuroglia; Norepinephrine; Osmolar Concentration; Phenylephrine; Prazosin; Quinoxalines; Receptors, Adrenergic, alpha; Time Factors; Tritium; Yohimbine | 1991 |
Characterization of renal alpha-adrenoceptor subtypes in sheep during development.
Topics: Adrenergic alpha-Antagonists; Animals; Animals, Newborn; Binding, Competitive; Dioxanes; Fetus; Idazoxan; Kidney; Kidney Cortex; Prazosin; Receptors, Adrenergic, alpha; Sheep; Yohimbine | 1991 |
Participation of noradrenergic neurotransmission in angiotensin III-induced dipsogenic behavior in the rat.
Topics: Adrenergic alpha-Antagonists; Angiotensin II; Animals; Benzylamines; Carbachol; Dose-Response Relationship, Drug; Drinking Behavior; Drug Interactions; Hydroxydopamines; Injections, Intravenous; Male; Norepinephrine; Oxidopamine; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sympathomimetics; Synaptic Transmission; Yohimbine | 1991 |
Subtypes of adrenergic receptors and intracellular mechanisms involved in modulatory effects of noradrenaline on glutamate.
Topics: Acebutolol; Albuterol; Animals; Cells, Cultured; Cerebellum; Chick Embryo; Clonidine; Colforsin; Electric Conductivity; Ethanolamines; Glutamates; Glutamic Acid; Isoproterenol; Membrane Potentials; Neurons; Norepinephrine; Prazosin; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Tolazoline; Yohimbine | 1991 |
[Effect of moxisylyte on the lower urinary tracts (2). Effect on the urethra in anesthetized dogs].
Topics: Adrenergic alpha-Antagonists; Animals; Blood Pressure; Dogs; Dose-Response Relationship, Drug; Female; Heart Rate; Moxisylyte; Muscle Contraction; Muscle Relaxation; Muscle, Smooth; Phentolamine; Phenylephrine; Prazosin; Quinazolines; Urethra; Yohimbine | 1991 |
Comparative study of postsynaptic alpha-adrenoceptors in aorta obtained from human and other mammalian species.
Topics: Adrenergic alpha-Agonists; Animals; Aorta; Azepines; Clonidine; Guinea Pigs; Humans; In Vitro Techniques; Male; Methoxamine; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Rabbits; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Species Specificity; Yohimbine | 1991 |
Characterization of descending modulation of nociception from the A5 cell group.
Topics: Animals; Atropine; Blood Pressure; Brain Stem; Cardiovascular Physiological Phenomena; Electric Stimulation; Glutamates; Glutamic Acid; Heart Rate; Injections, Spinal; Male; Methysergide; Microinjections; Naloxone; Nociceptors; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Reaction Time; Yohimbine | 1991 |
Effects of thoracic epidural anesthesia and adrenoceptor blockade on the cardiovascular response to dopamine in the dog.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Anesthesia, Epidural; Animals; Dogs; Dopamine; Female; Hemodynamics; Male; Mepivacaine; Metoprolol; Prazosin; Yohimbine | 1991 |
The role of the adrenoceptors in the activation of the hypothalamic-pituitary-testicular complex of mice induced by the presence of a female.
Topics: Adrenergic beta-Antagonists; Animals; Dose-Response Relationship, Drug; Female; Hypothalamo-Hypophyseal System; Male; Metoprolol; Mice; Mice, Inbred CBA; Phentolamine; Prazosin; Propanolamines; Propranolol; Radioimmunoassay; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Sexual Behavior, Animal; Testis; Testosterone; Yohimbine | 1991 |
Involvement of presynaptic imidazoline receptors in the alpha 2-adrenoceptor-independent inhibition of noradrenaline release by imidazoline derivatives.
Topics: Adrenergic alpha-Antagonists; Animals; Aorta, Thoracic; Drug Interactions; Electric Stimulation; Imidazoles; Imidazoline Receptors; Isoindoles; Male; Norepinephrine; Phenoxybenzamine; Phentolamine; Prazosin; Pulmonary Artery; Rabbits; Receptors, Drug; Receptors, Neurotransmitter; Tritium; Yohimbine | 1991 |
Alpha- and beta-adrenoceptors in the sheep urinary bladder.
Topics: Adrenergic beta-Antagonists; Animals; Butoxamine; Isoproterenol; Male; Muscle Contraction; Muscle Relaxation; Muscle, Smooth; Norepinephrine; Phenylephrine; Prazosin; Propanolamines; Propranolol; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Sheep; Urinary Bladder; Yohimbine | 1991 |
Postjunctional alpha-adrenoceptors in the rabbit isolated distal saphenous artery: indirect sensitivity to prazosin of responses to noradrenaline mediated via postjunctional alpha 2-adrenoceptors.
Topics: Adrenergic alpha-Antagonists; Angiotensin II; Animals; Brimonidine Tartrate; Female; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Prazosin; Quinoxalines; Rabbits; Receptors, Adrenergic, alpha; Yohimbine | 1991 |
Alpha-adrenoceptors in human resistance arteries from colon, pericardial fat, and skeletal muscle.
Topics: Adipose Tissue; Adrenergic alpha-Agonists; Aged; Arteries; Azepines; Blood Pressure; Colon; Female; Humans; In Vitro Techniques; Isometric Contraction; Male; Middle Aged; Muscle, Smooth; Muscle, Smooth, Vascular; Muscles; Norepinephrine; Phenylephrine; Prazosin; Receptors, Adrenergic, beta; Vascular Resistance; Yohimbine | 1991 |
Iontophoretic analysis of the pharmacologic mechanisms responsible for initiation and modulation of trigeminal motoneuronal discharge evoked by intra-oral afferent stimulation.
Topics: 2-Amino-5-phosphonovalerate; Afferent Pathways; Animals; Clonidine; Dental Pulp; Evoked Potentials; Guinea Pigs; Kynurenic Acid; Male; Motor Neurons; Mouth Mucosa; Neck Muscles; Nerve Fibers; Norepinephrine; Phenylephrine; Prazosin; Synapses; Synaptic Transmission; Tongue; Trigeminal Nerve; Yohimbine | 1991 |
Adrenoceptors of the human internal thoracic artery.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Agonists; Clonidine; Dinoprostone; Humans; In Vitro Techniques; Isometric Contraction; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenoxybenzamine; Phenylephrine; Prazosin; Receptors, Adrenergic; Serotonin; Thoracic Arteries; Yohimbine | 1991 |
Influence of fenoldopam and quinpirole in the guinea-pig stomach.
Topics: 2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepine; Animals; Clonidine; Dopamine; Dopamine Agents; Electric Stimulation; Ergolines; Female; Fenoldopam; Guinea Pigs; Haloperidol; In Vitro Techniques; Male; Methysergide; Muscle Contraction; Muscle Relaxation; Prazosin; Quinpirole; Stomach; Yohimbine | 1991 |
Contraction-mediating alpha 2-adrenoceptors in the mouse vas deferens.
Topics: Adenosine Triphosphate; Adrenergic alpha-Antagonists; Animals; Brimonidine Tartrate; Dioxanes; Drug Interactions; Idazoxan; Male; Mice; Muscle Contraction; Neuropeptide Y; Phenylephrine; Prazosin; Quinoxalines; Receptors, Adrenergic, alpha; Suramin; Vas Deferens; Yohimbine | 1991 |
Effects of selective adrenergic agonists and antagonists on gastric tone in the rat.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Agonists; Adrenergic beta-Antagonists; Albuterol; Animals; Clonidine; Dose-Response Relationship, Drug; Phenylephrine; Prazosin; Prenalterol; Propranolol; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Stomach; Yohimbine | 1991 |
Neuropeptide Y-induced intestinal absorption: mediation by alpha 2-adrenergic receptors.
Topics: Adrenergic alpha-Antagonists; Animals; Ileum; Intestinal Absorption; Neuropeptide Y; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Water-Electrolyte Balance; Yohimbine | 1991 |
Stimulation by acetylcholine and inhibition by norepinephrine of transglutaminase activity in superior cervical ganglia excised from adult rats.
Topics: Acetylcholine; Aerobiosis; Animals; Atropine; Calcium; Female; Ganglia, Sympathetic; Hexamethonium; Hexamethonium Compounds; In Vitro Techniques; Isoproterenol; Kinetics; Male; Nodose Ganglion; Norepinephrine; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Transglutaminases; Yohimbine | 1991 |
Human plasma-derived material with clonidine displacing substance (CDS)-like properties contracts the isolated rat aorta.
Topics: Adrenergic alpha-Antagonists; Animals; Aorta; Blood; Brain; Clonidine; Dioxanes; Female; In Vitro Techniques; Male; Methoxamine; Muscle Contraction; Prazosin; Rats; Rats, Inbred WKY; Yohimbine | 1991 |
Alpha 1-adrenoceptors mediate the responses to BHT-920 and rauwolscine in dog mesenteric artery after partial depolarization by KCl.
Topics: Adrenergic alpha-Agonists; Animals; Azepines; Calcium; Dogs; Membrane Potentials; Membranes; Mesenteric Arteries; Muscle Contraction; Muscle, Smooth, Vascular; Potassium Chloride; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 1991 |
Effects of SDZ NVI-085, a putative subtype-selective alpha 1-agonist, on canine cataplexy, a disorder of rapid eye movement sleep.
Topics: Adrenergic alpha-Agonists; Animals; Blood Pressure; Body Temperature; Bridged Bicyclo Compounds; Bridged-Ring Compounds; Cataplexy; Disease Models, Animal; Dogs; Eating; Heart Rate; Narcolepsy; Oxazines; Play and Playthings; Prazosin; Radioligand Assay; Yohimbine | 1991 |
Density and localization of alpha 1-adrenoceptors in hypertrophied prostate.
Topics: Aged; Autoradiography; Humans; Male; Middle Aged; Prazosin; Prostate; Prostatic Hyperplasia; Radioligand Assay; Receptors, Adrenergic, alpha; Yohimbine | 1990 |
Effect of gamma-aminobutyric acid on corticosterone secretion: involvement of the noradrenergic system.
Topics: 1-Propanol; Adrenocorticotropic Hormone; Animals; Brain; Corticosterone; gamma-Aminobutyric Acid; Hydroxyindoleacetic Acid; Hypothalamus; Injections, Intraventricular; Male; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Serotonin; Yohimbine | 1990 |
Alpha-adrenoceptors in dog mesenteric vessels--subcellular distribution and number of [3H]prazosin and [3H]rauwolscine binding sites.
Topics: Animals; Binding Sites; Cell Membrane; Dogs; Electron Transport Complex IV; Female; Kinetics; Male; Mesenteric Arteries; Mesenteric Veins; Muscle, Smooth, Vascular; N-Glycosyl Hydrolases; NADPH-Ferrihemoprotein Reductase; Prazosin; Radioligand Assay; Receptors, Adrenergic, alpha; Saxitoxin; Tritium; Yohimbine | 1990 |
Cardiovascular effects of SK&F 104078, a novel alpha-adrenoceptor antagonist, in normotensive and hypertensive rats.
Topics: Adrenergic alpha-Antagonists; Animals; Benzazepines; Blood Pressure; Desoxycorticosterone; Heart Rate; Hemodynamics; Hydrogen-Ion Concentration; Hypertension; Male; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1990 |
Differential distribution of postjunctional alpha 2 adrenoceptors in human omental small arteries.
Topics: Adult; Aged; Arteries; Azepines; Female; Humans; Male; Middle Aged; Muscle, Smooth, Vascular; Norepinephrine; Omentum; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Regional Blood Flow; Vascular Resistance; Vasoconstriction; Yohimbine | 1990 |
Enhanced contractile responses of arteries from diabetic rats to alpha 1-adrenoceptor stimulation in the absence and presence of extracellular calcium.
Topics: Adrenergic alpha-Agonists; Animals; Aorta, Thoracic; Arteries; Calcium; Clonidine; Diabetes Mellitus, Experimental; Male; Mesenteric Arteries; Methoxamine; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1990 |
Vasoactive peptides and phenylephrine actions in isolated teleost hepatocytes.
Topics: 1-Methyl-3-isobutylxanthine; Anguilla; Animals; Cells, Cultured; Gluconeogenesis; Ictaluridae; Kinetics; Liver; Liver Glycogen; Oxygen Consumption; Oxytocin; Phenylephrine; Prazosin; Propranolol; Trout; Vasopressins; Vasotocin; Yohimbine | 1990 |
Pacing-induced heart failure in the dog: evaluation of peripheral vascular alpha-adrenoceptor subtypes.
Topics: Animals; Azepines; Blood Pressure; Cardiac Pacing, Artificial; Dogs; Dose-Response Relationship, Drug; Epinephrine; Heart Failure; Male; Methoxamine; Prazosin; Receptors, Adrenergic, alpha; Saphenous Vein; Vasoconstriction; Yohimbine | 1990 |
Influence of steroid hormone treatments or pregnancy on [3H]prazosin and [3H]rauwolscine binding to myometrial alpha-adrenoceptors in the ewe.
Topics: Adrenergic alpha-Antagonists; Animals; Estradiol; Female; Flurogestone Acetate; Gonadal Steroid Hormones; Kinetics; Myometrium; Ovariectomy; Phentolamine; Prazosin; Pregnancy; Pregnancy, Animal; Protein Binding; Receptors, Adrenergic, alpha; Sheep; Yohimbine | 1990 |
The rat alpha 2-C4 adrenergic receptor gene encodes a novel pharmacological subtype.
Topics: Adrenergic alpha-Antagonists; Amino Acid Sequence; Animals; Blotting, Northern; Colforsin; Cyclic AMP; Dioxanes; DNA; Gene Expression; Humans; Molecular Sequence Data; Prazosin; Radioligand Assay; Rats; Receptors, Adrenergic, alpha; RNA; Sequence Homology, Nucleic Acid; Transfection; Yohimbine | 1991 |
The effect of alpha-adrenergic receptor blockers prazosin and yohimbine on cerebral metabolism and biogenic amine content of traumatized brain.
Topics: Animals; Biogenic Amines; Brain; Brain Injuries; Cerebral Cortex; Functional Laterality; Glucose; Hydroxyindoleacetic Acid; Male; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Serotonin; Yohimbine | 1991 |
A comparison of the effects of angiotensin II and Bay K 8644 on responses to noradrenaline mediated via postjunctional alpha 1-and alpha 2-adrenoceptors in rabbit isolated blood vessels.
Topics: 3-Pyridinecarboxylic acid, 1,4-dihydro-2,6-dimethyl-5-nitro-4-(2-(trifluoromethyl)phenyl)-, Methyl ester; Adrenergic alpha-Antagonists; Angiotensin II; Animals; Calcium; Ear; Female; In Vitro Techniques; Male; Muscle, Smooth, Vascular; Norepinephrine; Potassium Chloride; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Regional Blood Flow; Saphenous Vein; Yohimbine | 1991 |
Inhibitory effects of clonidine and tizanidine on release of substance P from slices of rat spinal cord and antagonism by alpha-adrenergic receptor antagonists.
Topics: Adrenergic alpha-Antagonists; Animals; Clonidine; In Vitro Techniques; Male; Parasympatholytics; Piperoxan; Prazosin; Radioimmunoassay; Rats; Rats, Inbred Strains; Spinal Cord; Substance P; Veratridine; Yohimbine | 1991 |
Heterogeneity of postjunctional alpha-adrenoceptors in isolated mesenteric resistance arteries from rats, rabbits, pigs, and humans.
Topics: Adrenergic beta-Agonists; Animals; Azepines; Female; Humans; In Vitro Techniques; Male; Mesenteric Arteries; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Prazosin; Rabbits; Rats; Rats, Inbred Strains; Receptors, Adrenergic, beta; Species Specificity; Swine; Vascular Resistance; Yohimbine | 1991 |
Characterization of prazosin-sensitive alpha 2 B-adrenoceptors expressed by cultured rat IMCD cells.
Topics: Adrenergic alpha-Agonists; Animals; Binding, Competitive; Blotting, Northern; Cell Membrane; Cells, Cultured; Cyclic AMP; Dinoprostone; Epinephrine; Isoproterenol; Kidney Medulla; Kidney Tubules, Collecting; Kinetics; Male; Poly A; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, beta; RNA; RNA, Messenger; Vasopressins; Yohimbine | 1991 |
[Quantitative analyses of human prostatic alpha-adrenoceptors and effects of terazosin on the alpha-adrenoceptor activity].
Topics: Adenoma; Adrenergic alpha-Antagonists; Aged; Humans; Male; Muscle Contraction; Muscle, Smooth; Norepinephrine; Prazosin; Prostate; Prostatic Hyperplasia; Prostatic Neoplasms; Receptors, Adrenergic, alpha; Yohimbine | 1991 |
Antagonist drugs and bone vascular smooth muscle.
Topics: Animals; Bone and Bones; Diltiazem; Dogs; Dose-Response Relationship, Drug; Microcomputers; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Software; Sympatholytics; Vasoconstriction; Yohimbine | 1992 |
Clonidine differentially modulates the release of endogenous GABA in various rat brain areas.
Topics: Animals; Brain Chemistry; Cerebellum; Cerebral Cortex; Clonidine; gamma-Aminobutyric Acid; Hippocampus; Imidazoles; In Vitro Techniques; Male; Medulla Oblongata; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Synaptosomes; Yohimbine | 1991 |
Naloxone-induced hypoalgesia: effects of noradrenergic antagonists and agonist.
Topics: Animals; Clonidine; Hot Temperature; Male; Naloxone; Norepinephrine; Pain; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Sensory Thresholds; Yohimbine | 1991 |
Differences in inositol phosphate production in blood vessels of normotensive and spontaneously hypertensive rats.
Topics: Animals; Blood Vessels; Hydrolysis; Hypertension; In Vitro Techniques; Inositol Phosphates; Norepinephrine; Prazosin; Rats; Rats, Inbred SHR; Rats, Inbred WKY; Reference Values; Yohimbine | 1991 |
Neuropeptide Y and catecholamine-mediated neuronal transmission in mechanisms of feeding-behaviour induction.
Topics: Animals; Feeding Behavior; Naloxone; Neuropeptide Y; Prazosin; Propranolol; Rats; Rats, Wistar; Yohimbine | 1991 |
Differential activation of alpha 1- and alpha 2-adrenoceptors on microvascular smooth muscle during sympathetic nerve stimulation.
Topics: Animals; Arterioles; Electric Stimulation; Male; Muscle, Smooth, Vascular; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sympathetic Nervous System; Venules; Yohimbine | 1991 |
Effects of thyroid status on the characteristics of alpha 1-, alpha 2-, beta, imipramine and GABA receptors in the rat brain.
Topics: Animals; Brain; Dihydroalprenolol; Hyperthyroidism; Hypothyroidism; Imipramine; Kinetics; Male; Muscimol; Organ Specificity; Prazosin; Propylthiouracil; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Receptors, GABA-A; Reference Values; Thyroid Gland; Triiodothyronine; Yohimbine | 1991 |
Peripheral alpha-1 and alpha-2 adrenergic receptors in three models of hypertension in rats: an in vitro autoradiography study.
Topics: Adrenal Glands; Animals; Autoradiography; Blood Pressure; Blood Vessels; Desoxycorticosterone; Hypertension; Kidney; Male; Myocardium; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1991 |
Alpha 2-adrenergic receptor stimulation of phospholipase A2 and of adenylate cyclase in transfected Chinese hamster ovary cells is mediated by different mechanisms.
Topics: Adenylate Cyclase Toxin; Adenylyl Cyclase Inhibitors; Adenylyl Cyclases; Animals; Colforsin; Cricetinae; Cricetulus; Cyclic AMP; Enzyme Activation; Female; Kinetics; Membranes; Ovary; Pertussis Toxin; Phospholipases A; Phospholipases A2; Prazosin; Quinacrine; Receptors, Adrenergic, alpha; Signal Transduction; Stimulation, Chemical; Time Factors; Transfection; Tritium; Virulence Factors, Bordetella; Yohimbine | 1991 |
Alpha-adrenoceptors in vascular smooth muscle: all is not well.
Topics: Amiloride; Animals; Aorta; Azepines; Cell Membrane; Dogs; Mesenteric Arteries; Mesenteric Veins; Mice; Muscle Contraction; Muscle, Smooth, Vascular; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Saphenous Vein; Second Messenger Systems; Yohimbine | 1991 |
Neural activation of alpha-2 adrenoceptors in cat cutaneous vasculature.
Topics: Animals; Cats; Electric Stimulation; Female; Lasers; Male; Phentolamine; Prazosin; Receptors, Adrenergic, alpha; Skin; Sympathetic Nervous System; Yohimbine | 1991 |
Effects of area postrema stimulation on neurons of the nucleus of the solitary tract.
Topics: Afferent Pathways; Animals; Cerebral Ventricles; Electric Stimulation; Evoked Potentials; Medulla Oblongata; Neurons; Phentolamine; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Yohimbine | 1991 |
Beneficial effects of alpha 1-adrenoceptor activity on myocardial stunning in dogs.
Topics: Adenosine; Animals; Coronary Circulation; Dogs; Hyperemia; Methoxamine; Myocardial Contraction; Myocardial Reperfusion Injury; Norepinephrine; Prazosin; Propranolol; Receptors, Adrenergic, alpha; Yohimbine | 1991 |
Synergistic effects in the alpha 1- and beta 1-adrenergic regulations of intracellular calcium levels in striatal astrocytes.
Topics: Albuterol; Animals; Astrocytes; Calcium; Cells, Cultured; Corpus Striatum; Drug Synergism; Ion Channel Gating; Isoproterenol; Methoxamine; Mice; Norepinephrine; Prazosin; Propranolol; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Yohimbine | 1991 |
Desipramine enhances isolation-induced aggressive behavior in mice.
Topics: Aggression; Animals; Clonidine; Desipramine; Imipramine; Male; Mice; Mice, Inbred Strains; Motor Activity; Phentolamine; Prazosin; Social Isolation; Yohimbine | 1991 |
Physiological role of alpha-adrenoceptors in salivary secretion.
Topics: Animals; Autonomic Nervous System; Clonidine; Dose-Response Relationship, Drug; Female; Norepinephrine; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Submandibular Gland; Yohimbine | 1990 |
Evidence that dopamine is acting at alpha-adrenoceptors of the rat vas deferens.
Topics: Animals; Dopamine; Dose-Response Relationship, Drug; In Vitro Techniques; Male; Muscle Contraction; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Vas Deferens; Yohimbine | 1990 |
Effects of antiprogestogen (RU-486) treatment on myometrial and cervical alpha and beta-adrenoceptors in pregnant rabbits.
Topics: Animals; Cervix Uteri; Dihydroalprenolol; Female; Mifepristone; Myometrium; Prazosin; Pregnancy; Rabbits; Radioligand Assay; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Yohimbine | 1990 |
Effects of dilevalol on adrenoceptors in isolated cat arteries.
Topics: Animals; Arteries; Cats; Clonidine; Dinoprost; Electric Stimulation; Female; In Vitro Techniques; Labetalol; Male; Norepinephrine; Phenylephrine; Prazosin; Propranolol; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Vasoconstriction; Yohimbine | 1990 |
Concomitant depression of locus coeruleus neurons and of flexor reflexes by an alpha 2-adrenergic agonist in rats: a possible mechanism for an alpha 2-mediated muscle relaxation.
Topics: Adrenergic alpha-Agonists; Animals; Clonidine; Female; Locus Coeruleus; Male; Muscle Contraction; Muscle Relaxation; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1990 |
Presynaptic alpha 2-autoinhibition in a vascular neuroeffector junction where ATP and noradrenaline act as co-transmitters.
Topics: Adenosine Triphosphate; Animals; Electric Stimulation; Female; In Vitro Techniques; Male; Muscle, Smooth, Vascular; Neuroeffector Junction; Neurotransmitter Agents; Norepinephrine; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1990 |
Physiologically significant effect of neuropeptide Y to suppress growth hormone release by stimulating somatostatin discharge.
Topics: Animals; Female; Growth Hormone; Immunization, Passive; Injections, Intraventricular; Kinetics; Male; Median Eminence; Neuropeptide Y; Ovariectomy; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Somatostatin; Yohimbine | 1990 |
Pharmacological subclassification of alpha 1-adrenoceptors in vascular smooth muscle.
Topics: Acetonitriles; Adrenergic alpha-Antagonists; Animals; Blood Vessels; Clonidine; Dioxanes; Dogs; Female; Guinea Pigs; In Vitro Techniques; Male; Muscle, Smooth, Vascular; Nifedipine; Norepinephrine; Phentolamine; Prazosin; Rabbits; Rats; Receptors, Adrenergic, alpha; Species Specificity; Yohimbine | 1990 |
Responses to noradrenaline in human subcutaneous resistance arteries are mediated by both alpha 1- and alpha 2-adrenoceptors.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adult; Aged; Arteries; Azepines; Female; Humans; In Vitro Techniques; Male; Middle Aged; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 1990 |
Heterogeneity of alpha 2-adrenoceptors in rat cortex but not human platelets can be defined by 8-OH-DPAT, RU 24969 and methysergide.
Topics: 8-Hydroxy-2-(di-n-propylamino)tetralin; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Binding, Competitive; Blood Platelets; Cerebral Cortex; Guanosine Triphosphate; In Vitro Techniques; Indoles; Kinetics; Male; Methysergide; Naphthalenes; Oxymetazoline; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Species Specificity; Tetrahydronaphthalenes; Yohimbine | 1990 |
Long posterior ciliary arterial blood flow and systemic blood pressure.
Topics: Adrenergic alpha-Agonists; Animals; Arteries; Azepines; Blood Flow Velocity; Blood Pressure; Ciliary Body; Female; Male; Methacholine Chloride; Methacholine Compounds; Norepinephrine; Prazosin; Rabbits; Yohimbine | 1990 |
Antinociceptive effects of intrathecal adrenoceptor agonists in a rat model of visceral nociception.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Blood Pressure; Clonidine; Dioxanes; Idazoxan; Male; Pain; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1990 |
Inhibitory effects of amiloride on alpha adrenoceptors in canine vascular smooth muscle.
Topics: Adrenergic alpha-Antagonists; Amiloride; Animals; Binding, Competitive; Cells, Cultured; Dogs; Female; Male; Microsomes; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Prazosin; Radioligand Assay; Tritium; Vasoconstriction; Yohimbine | 1990 |
The role of alpha 1- and alpha 2-adrenoceptors in canine systemic capacitance vessels--a study with measurement of mean circulatory pressure.
Topics: Adrenergic alpha-Agonists; Animals; Azepines; Blood Pressure; Cardiac Output; Dogs; Heart Rate; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Vascular Resistance; Yohimbine | 1990 |
Effects of neurotropic agents with a selectivity for alpha-adrenoceptors on nitrile-induced dyskinetic syndrome in mice.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Dyskinesia, Drug-Induced; Male; Mice; Nitriles; Phenylephrine; Prazosin; Yohimbine | 1990 |
Pharmacological characterization of the postjunctional alpha-adrenoceptors of the rat isolated seminal vesicle.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Dose-Response Relationship, Drug; Epinephrine; Male; Naphazoline; Norepinephrine; Oxymetazoline; Phenoxybenzamine; Phentolamine; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Seminal Vesicles; Yohimbine | 1990 |
Neurochemical studies with the potential antipsychotic compound trans-5-Chloro-2-methyl-2,3,3a,12b-tetrahydro-1H- dibenz[2,3:6,7]oxepino[4,5-c]pyrrolidine maleate.
Topics: 8-Hydroxy-2-(di-n-propylamino)tetralin; Animals; Antipsychotic Agents; Apomorphine; Autonomic Nervous System; Benzazepines; Brain Chemistry; Corpus Striatum; Cyclic AMP; Dibenzocycloheptenes; Dibenzoxepins; Heterocyclic Compounds, 4 or More Rings; In Vitro Techniques; Male; Membranes; Mianserin; Prazosin; Quinuclidinyl Benzilate; Rats; Rats, Inbred Strains; Serotonin; Tetrahydronaphthalenes; Yohimbine | 1990 |
Effects of alpha 1- and alpha 2-adrenoceptor antagonists on venous tone in conscious rats.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Pressure; Dose-Response Relationship, Drug; Heart Rate; Hexamethonium Compounds; Hydralazine; In Vitro Techniques; Male; Muscle Tonus; Muscle, Smooth, Vascular; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1990 |
Identification of human platelet alpha 2-adrenoceptors with a new antagonist [3H]-RX821002, a 2-methoxy derivative of idazoxan.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adult; Blood Platelets; Brimonidine Tartrate; Dioxanes; Epinephrine; Humans; Idazoxan; In Vitro Techniques; Kinetics; Male; Membranes; Oxymetazoline; Prazosin; Quinoxalines; Radioligand Assay; Receptors, Adrenergic, alpha; Yohimbine | 1990 |
Analysis of pulmonary vascular responses in cats to sympathetic nerve stimulation under elevated tone conditions. Evidence that neuronally released norepinephrine acts on alpha 1-, alpha 2-, and beta 2-adrenoceptors.
Topics: Adrenergic beta-Antagonists; Animals; Blood Pressure; Cats; Electric Stimulation; Female; Lung; Male; Norepinephrine; Prazosin; Propanolamines; Propranolol; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Sympathetic Nervous System; Yohimbine | 1990 |
Inhibitory effects of catecholamines in the paravertebral sympathetic ganglia of the anesthetized dog.
Topics: Adrenergic alpha-Agonists; Anesthesia; Animals; Blood Pressure; Catecholamines; Clonidine; Dogs; Ganglia, Sympathetic; Hexamethonium Compounds; Male; Norepinephrine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Regional Blood Flow; Vascular Resistance; Yohimbine | 1990 |
Antinociceptive actions of alpha 2-adrenoceptor agonists in the rat spinal cord: evidence for antinociceptive alpha 2-adrenoceptor subtypes and dissociation of antinociceptive alpha 2-adrenoceptors from cyclic AMP.
Topics: Adrenergic alpha-Agonists; Animals; Benzylamines; Brimonidine Tartrate; Colforsin; Cyclic AMP; Guanfacine; Male; Neurotoxins; Nociceptors; Pain Measurement; Prazosin; Quinoxalines; Rats; Rats, Inbred Strains; Spinal Cord; Yohimbine | 1990 |
Effects of alpha-adrenergic agents on generation of oscillatory afterpotentials and triggered activity in rabbit Purkinje fibers.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Calcium; Clonidine; Male; Membrane Potentials; Phenylephrine; Potassium; Prazosin; Propranolol; Purkinje Fibers; Rabbits; Receptors, Adrenergic, alpha; Strophanthidin; Yohimbine | 1990 |
The effectiveness of alpha 2-adrenoceptor activation increases from the distal to the proximal part of the veins of canine limbs.
Topics: Adrenergic alpha-Agonists; Animals; Azepines; Brimonidine Tartrate; Dogs; Extremities; Female; In Vitro Techniques; Male; Norepinephrine; Phenylephrine; Prazosin; Quinoxalines; Saphenous Vein; Veins; Yohimbine | 1990 |
Effects of the alpha 2-adrenoceptor agonist UK14304 on pressor responses in pithed rats.
Topics: Adrenergic alpha-Agonists; Animals; Brimonidine Tartrate; Decerebrate State; Dose-Response Relationship, Drug; Drug Synergism; Norepinephrine; Phenylephrine; Prazosin; Pressoreceptors; Quinoxalines; Rats; Vasopressins; Yohimbine | 1990 |
Alpha adrenergic drugs inhibit [3H]-QNB binding to muscarinic receptors of rat heart, brain and parotid gland membranes.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Cell Membrane; Cerebral Cortex; Male; Myocardium; Parotid Gland; Phenylephrine; Prazosin; Quinuclidinyl Benzilate; Rats; Rats, Inbred Strains; Receptors, Muscarinic; Yohimbine | 1990 |
Glucagon and insulin responses to alpha-adrenergic subtype receptor blockade in sheep.
Topics: Adrenergic alpha-Antagonists; Animals; Epinephrine; Glucagon; Infusions, Intravenous; Insulin; Insulin Secretion; Male; Prazosin; Propranolol; Receptors, Adrenergic, alpha; Sheep; Yohimbine | 1990 |
Alpha 1-adrenoceptor stimulation increases intracellular pH and Ca2+ in cardiomyocytes through Na+/H+ and Na+/Ca2+ exchange.
Topics: 1-(5-Isoquinolinesulfonyl)-2-Methylpiperazine; Adrenergic alpha-Agonists; Amiloride; Animals; Calcium; Fluorescent Dyes; Heart; Hydrogen; Hydrogen-Ion Concentration; Ion Exchange; Isoquinolines; Male; Myocardium; Norepinephrine; Phentolamine; Piperazines; Prazosin; Propranolol; Protein Kinase Inhibitors; Rats; Rats, Inbred Strains; Sodium; Yohimbine | 1990 |
Xylazine enhances porcine myometrial contractility in vitro: possible involvement of alpha 2-adrenoceptors and Ca2+ channels.
Topics: Adrenergic alpha-Antagonists; Animals; Calcium Channels; Carbachol; Dioxanes; Female; Idazoxan; Myometrium; Prazosin; Receptors, Adrenergic, alpha; Swine; Uterine Contraction; Verapamil; Xylazine; Yohimbine | 1990 |
Two distinct alpha 1-adrenoceptor subtypes involved in noradrenaline contraction of the rabbit thoracic aorta.
Topics: Acetonitriles; Adrenergic alpha-Antagonists; Animals; Aorta, Thoracic; Clonidine; Female; In Vitro Techniques; Male; Norepinephrine; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Receptors, Adrenergic, alpha-1; Vasoconstriction; Yohimbine | 1990 |
Neurotransmitters and pre- and post-junctional receptors involved in the vasoconstrictor response to sympathetic nerve stimulation in rat tail artery.
Topics: Adenosine Triphosphate; Animals; Arteries; Electric Stimulation; In Vitro Techniques; Male; Neurotransmitter Agents; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Sensory Receptor Cells; Sympathetic Nervous System; Vasoconstriction; Yohimbine | 1990 |
Selective unilateral inactivation of striatal D1 and D2 dopamine receptor subtypes by EEDQ: turning behavior elicited by D2 dopamine receptor agonists.
Topics: 2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepine; Animals; Corpus Striatum; Dopamine Agents; Dopamine Antagonists; Ergolines; Ketanserin; Male; Motor Activity; Prazosin; Quinolines; Quinpirole; Raclopride; Radioligand Assay; Rats; Rats, Inbred Strains; Receptors, Dopamine; Receptors, Dopamine D1; Receptors, Dopamine D2; Rotation; Salicylamides; Yohimbine | 1990 |
Isolated bovine cerebral arteries from rostral and caudal regions: distinct responses to adrenoceptor agonists.
Topics: Adrenergic alpha-Agonists; Adrenergic beta-Agonists; Animals; Basilar Artery; Carotid Arteries; Cattle; Cerebral Arteries; Clonidine; In Vitro Techniques; Isometric Contraction; Muscle Relaxation; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Prazosin; Yohimbine | 1990 |
Study of the contraction induced by norepinephrine and clonidine in the isolated guinea-pig ileum.
Topics: Animals; Atropine; Clonidine; Guinea Pigs; Ileum; In Vitro Techniques; Indomethacin; Male; Muscle Contraction; Muscle, Smooth; Norepinephrine; Practolol; Prazosin; Yohimbine | 1991 |
Effect of adrenergic agonists on glycogenolysis in primary cultures of astrocytes.
Topics: Alprenolol; Animals; Astrocytes; Cells, Cultured; Clonidine; Glycogen; Isoproterenol; Mice; Norepinephrine; Potassium; Prazosin; Yohimbine | 1990 |
Amitraz-induced glucose intolerance in rats: antagonism by yohimbine but not by prazosin.
Topics: Animals; Blood Glucose; Dose-Response Relationship, Drug; Insecticides; Insulin; Male; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Toluidines; Yohimbine | 1990 |
Antidepressant profile of bupropion and three metabolites in mice.
Topics: Animals; Antidepressive Agents; Apomorphine; Body Temperature; Bupropion; Depression; Male; Mice; Motor Activity; Pimozide; Prazosin; Propiophenones; Propranolol; Reserpine; Yohimbine | 1990 |
Alpha 1- and beta-adrenoceptor stimulation potentiate the anticonflict effect of a benzodiazepine.
Topics: Alprazolam; Animals; Conflict, Psychological; Dose-Response Relationship, Drug; Male; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Yohimbine | 1990 |
Effects of pertussis toxin on alpha 1-agonist-mediated phosphatidylinositide turnover and myocardial cell hypertrophy in neonatal rat ventricular myocytes.
Topics: Adenosine Diphosphate Ribose; Animals; Animals, Newborn; Cell Division; Cells, Cultured; Inositol Phosphates; Myocardium; Norepinephrine; Pertussis Toxin; Phosphatidylinositols; Prazosin; Propranolol; Rats; Receptors, Adrenergic, alpha; Virulence Factors, Bordetella; Yohimbine | 1990 |
Prejunctional alpha 1-adrenoceptors modify release of [3H]noradrenaline in the guinea-pig vas deferens.
Topics: Animals; Clonidine; Cocaine; Desoxycorticosterone; Electric Stimulation; Guinea Pigs; In Vitro Techniques; Male; Methoxamine; Muscle, Smooth; Norepinephrine; Phentolamine; Prazosin; Receptors, Adrenergic, alpha; Vas Deferens; Yohimbine | 1990 |
Affinity of 2-(tetrahydroisoquinolin-2-ylmethyl)- and 2-(isoindolin-2-ylmethyl)imidazolines for alpha-adrenoceptors. Differential affinity of imidazolines for the [3H]idazoxan-labeled alpha 2-adrenoceptor vs the [3H]yohimbine-labeled site.
Topics: Animals; Binding Sites; Binding, Competitive; Cerebral Cortex; Chemical Phenomena; Chemistry, Physical; Dioxanes; Idazoxan; Imidazoles; In Vitro Techniques; Indoles; Isoquinolines; Ligands; Prazosin; Radioligand Assay; Rats; Receptors, Adrenergic, alpha; Structure-Activity Relationship; Yohimbine | 1990 |
Alpha 1 adrenergic receptor function in senescent Fischer 344 rat aorta.
Topics: Aging; Animals; Aorta; Calcium; Inositol Phosphates; Male; Norepinephrine; Prazosin; Rats; Rats, Inbred F344; Receptors, Adrenergic, alpha; Serotonin; Yohimbine | 1990 |
Role of alpha-1 and alpha-2 adrenoceptors in the sympathetic control of the proximal urethra.
Topics: Animals; Dimethylphenylpiperazinium Iodide; In Vitro Techniques; Male; Prazosin; Pressure; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sympathetic Nervous System; Tyramine; Urethra; Yohimbine | 1990 |
Effects of glucagon and alpha- and beta-agonists on glycogenolysis and gluconeogenesis in isolated ovine hepatocytes.
Topics: Animals; Bucladesine; Cells, Cultured; Glucagon; Gluconeogenesis; Isoproterenol; Kinetics; Liver; Liver Glycogen; Phenylephrine; Prazosin; Sheep; Vasopressins; Yohimbine | 1990 |
[Direct evidence of alpha-adrenoceptor binding in rat and human adrenal glands].
Topics: Adrenal Gland Neoplasms; Adrenal Glands; Adrenal Medulla; Animals; Catecholamines; Humans; Male; Pheochromocytoma; Prazosin; Radioligand Assay; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1990 |
An examination of the sources of calcium for contractions mediated by postjunctional alpha 1- and alpha 2-adrenoceptors in several blood vessels isolated from the rabbit.
Topics: Animals; Calcium; Female; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenoxybenzamine; Potassium Chloride; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Saphenous Vein; Veins; Yohimbine | 1990 |
Involvement of the noradrenergic system in the seizures of epileptic El mice.
Topics: Animals; Anticonvulsants; Brain Chemistry; Dihydroalprenolol; Drug Interactions; Female; Injections, Intravenous; Male; Mice; Mice, Inbred Strains; Norepinephrine; Prazosin; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Seizures; Sympathomimetics; Yohimbine | 1990 |
Preoptic hypothalamic lesions reduce adrenergic vascular compensation during hemorrhagic shock.
Topics: Animals; Hemodynamics; Male; Phentolamine; Prazosin; Preoptic Area; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Shock, Hemorrhagic; Yohimbine | 1990 |
Alpha-adrenoceptor reserve in the canine cephalic vein.
Topics: Animals; Brimonidine Tartrate; Dogs; Dose-Response Relationship, Drug; Female; Forelimb; Male; Phenoxybenzamine; Phenylephrine; Prazosin; Quinoxalines; Receptors, Adrenergic, alpha; Vasoconstriction; Veins; Yohimbine | 1990 |
Presynaptic alpha adrenoceptor modulation of neurally mediated cholinergic excitatory and nonadrenergic noncholinergic inhibitory responses in guinea pig trachea.
Topics: Animals; Clonidine; Electric Stimulation; Guinea Pigs; Male; Parasympathetic Nervous System; Prazosin; Receptors, Adrenergic, alpha; Trachea; Yohimbine | 1990 |
Effects of histamine on alpha adrenergic receptor expression on the lymphocytes of normal and asthmatic subjects.
Topics: Asthma; Dihydroalprenolol; Dihydroergotoxine; Dose-Response Relationship, Drug; Histamine; Humans; Monocytes; Prazosin; Receptors, Adrenergic, alpha; Reference Values; Yohimbine | 1990 |
The effects of cooling on human saphenous vein reactivity to adrenergic agonists.
Topics: Cold Temperature; Female; Humans; In Vitro Techniques; Male; Middle Aged; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Raynaud Disease; Receptors, Adrenergic, alpha; Saphenous Vein; Yohimbine | 1990 |
Role of alpha adrenoceptors in opossum internal anal sphincter.
Topics: Anal Canal; Animals; Clonidine; Muscle Contraction; Naphazoline; Opossums; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 1990 |
Pertussis toxin inhibits norepinephrine-stimulated inositol phosphate formation in primary brain cell cultures.
Topics: Animals; Brain; Calcium; Carbachol; Cells, Cultured; Clonidine; Cyclic AMP; Dioxanes; GTP-Binding Proteins; Inositol Phosphates; Norepinephrine; Pertussis Toxin; Phenethylamines; Prazosin; Rats; Receptors, Adrenergic, alpha; Tetralones; Virulence Factors, Bordetella; Yohimbine | 1990 |
Effect of prazosin on spontaneous sympathetic-cholinergic activity.
Topics: Animals; Biogenic Monoamines; Cats; Decerebrate State; Female; Galvanic Skin Response; In Vitro Techniques; Male; Parasympathetic Nervous System; Prazosin; Receptors, Adrenergic, alpha; Sympathetic Nervous System; Yohimbine | 1990 |
Catecholamines mediate nicotine-induced adrenocorticotropin secretion via alpha-adrenergic receptors.
Topics: Adrenocorticotropic Hormone; Animals; Benzylamines; Brain; Brain Stem; Catecholamines; Hydroxydopamines; Isoquinolines; Male; Nicotine; Norepinephrine; Oxidopamine; Prazosin; Rats; Receptors, Adrenergic, alpha; Tetrahydroisoquinolines; Yohimbine | 1990 |
Alpha-adrenergic regulation of secretion by tracheal glands.
Topics: Animals; Cats; Clonidine; Dihydroergotoxine; Epinephrine; Female; Glycoconjugates; Isoproterenol; Kinetics; Male; Organ Culture Techniques; Phentolamine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Trachea; Yohimbine | 1990 |
Alpha 2-adrenoceptors in homogenates of rat nasal mucosa.
Topics: Animals; Clonidine; Epinephrine; Guanylyl Imidodiphosphate; In Vitro Techniques; Kinetics; Nasal Mucosa; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Stereoisomerism; Yohimbine | 1990 |
Possible interaction of alpha 1-adrenergic receptor with pertussis-toxin-sensitive guanine-nucleotide-binding regulatory proteins (G proteins) responsible for phospholipase C activation in rat liver plasma membranes.
Topics: Adenosine Diphosphate Ribose; Animals; Cell Membrane; Enzyme Activation; GTP-Binding Proteins; Guanosine 5'-O-(3-Thiotriphosphate); Inositol 1,4,5-Trisphosphate; Liver; Pertussis Toxin; Prazosin; Rats; Receptors, Adrenergic, alpha; Type C Phospholipases; Virulence Factors, Bordetella; Yohimbine | 1990 |
An aspartate conserved among G-protein receptors confers allosteric regulation of alpha 2-adrenergic receptors by sodium.
Topics: Affinity Labels; Allosteric Regulation; Amino Acid Sequence; Animals; Aspartic Acid; Brimonidine Tartrate; Dioxanes; DNA Mutational Analysis; Epinephrine; Idazoxan; In Vitro Techniques; Molecular Sequence Data; Oxymetazoline; Prazosin; Quinoxalines; Receptors, Adrenergic, alpha; Sodium; Structure-Activity Relationship; Swine; Transfection; Yohimbine | 1990 |
Reserpine induces vascular alpha 2-adrenergic supersensitivity and platelet alpha 2-adrenoceptor up-regulation in dog.
Topics: Adipose Tissue; Animals; Blood Platelets; Blood Pressure; Cardiovascular System; Catecholamines; Cell Membrane; Clonidine; Dioxanes; Dogs; Heart Rate; Idazoxan; Male; Norepinephrine; Posture; Prazosin; Receptors, Adrenergic, alpha; Reserpine; Up-Regulation; Yohimbine | 1990 |
Effect of selective sigma ligands on duodenal alkaline secretion in the rat.
Topics: Animals; Atropine; Bicarbonates; Dose-Response Relationship, Drug; Duodenum; Guanidines; Haloperidol; Injections, Intravenous; Intestinal Mucosa; Intestinal Secretions; Male; Naloxone; Phenazocine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Opioid; Receptors, sigma; Yohimbine | 1990 |
Effects of WEB 1881 FU, a novel nootropic, on cholinergic and adrenergic receptors in the rat brain: action on M1-muscarinic receptors.
Topics: Animals; Brain Chemistry; Guanosine 5'-O-(3-Thiotriphosphate); Guanosine Triphosphate; In Vitro Techniques; Iodocyanopindolol; Kinetics; Male; Nicotine; Parasympatholytics; Pindolol; Pirenzepine; Prazosin; Pyrrolidinones; Quinuclidinyl Benzilate; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Muscarinic; Thionucleotides; Yohimbine | 1990 |
A novel action of isoproterenol to inactivate a cardiac K+ current is not blocked by beta and alpha adrenergic blockers.
Topics: Animals; Biological Transport, Active; Dogs; Drug Interactions; Electric Stimulation; Electrophysiology; In Vitro Techniques; Isoproterenol; Potassium; Prazosin; Propranolol; Purkinje Fibers; Yohimbine | 1990 |
Clonidine and phenylephrine injected into the lateral hypothalamus inhibits water intake in rats.
Topics: Angiotensin II; Animals; Clonidine; Dehydration; Drinking; Eating; Hypothalamic Area, Lateral; In Vitro Techniques; Injections; Injections, Intraventricular; Male; Phenylephrine; Prazosin; Rats; Yohimbine | 1990 |
[Effects of clonidine and norepinephrine on rabbit pulmonary artery strips with or without endothelium].
Topics: Animals; Clonidine; Endothelium, Vascular; In Vitro Techniques; Muscle Relaxation; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Propranolol; Pulmonary Artery; Rabbits; Yohimbine | 1990 |
Involvement of coerulospinal noradrenergic pathway in fentanyl-induced muscular rigidity in rats.
Topics: Adrenergic Fibers; Animals; Dose-Response Relationship, Drug; Fentanyl; Locus Coeruleus; Male; Microinjections; Muscle Rigidity; Prazosin; Rats; Rats, Inbred Strains; Spinal Cord; Yohimbine | 1990 |
Effects of transmural field stimulation in isolated muscle strips from human esophagus.
Topics: Atropine; Carbachol; Electric Stimulation; Esophagus; Humans; In Vitro Techniques; Ketanserin; Muscle Contraction; Muscle, Smooth; Nicotine; Phentolamine; Prazosin; Propranolol; Stomach; Tetrodotoxin; Yohimbine | 1990 |
Chloroethylclonidine unmasks a non-alpha-adrenoceptor noradrenaline binding site in the rat aorta.
Topics: Animals; Aorta, Thoracic; Clonidine; Dioxanes; In Vitro Techniques; Male; Muscle, Smooth, Vascular; Norepinephrine; Phenoxybenzamine; Prazosin; Rats; Receptors, Adrenergic; Yohimbine | 1990 |
In vitro caffeine induced aortic smooth muscle reactivity in rat.
Topics: Animals; Aorta; Caffeine; Hypertension; In Vitro Techniques; Magnesium; Male; Muscle, Smooth, Vascular; Prazosin; Rats; Rats, Inbred SHR; Rats, Inbred Strains; Rats, Inbred WKY; Vasoconstriction; Vasodilation; Verapamil; Yohimbine | 1990 |
Autonomic receptors in urinary tract: sex and age differences.
Topics: Aging; Animals; Binding Sites; Binding, Competitive; Dihydroalprenolol; Female; Male; Muscle, Smooth; Prazosin; Quinuclidinyl Benzilate; Rabbits; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Muscarinic; Sex Factors; Tritium; Urinary Tract; Yohimbine | 1990 |
Effects of systemic and intracerebroventricular phenylephrine and clonidine on corticosterone secretion in rats.
Topics: Animals; Clonidine; Corticosterone; Injections, Intraperitoneal; Injections, Intraventricular; Male; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1990 |
The identification of adrenergic receptors in human pial membranes.
Topics: Alprenolol; Cerebral Veins; Dihydroalprenolol; Humans; Pia Mater; Prazosin; Receptors, Adrenergic; Yohimbine | 1990 |
Autoradiographic quantification of adrenergic receptors in rat kidney.
Topics: Animals; Autoradiography; Dihydroalprenolol; Kidney; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Tritium; Yohimbine | 1990 |
The effects of yohimbine and four other antagonists on amitraz-induced depression of shuttle avoidance responses in dogs.
Topics: Animals; Atropine; Avoidance Learning; Central Nervous System; Dogs; Injections, Intravenous; Insecticides; Male; Naloxone; Prazosin; Tolazoline; Toluidines; Yohimbine | 1990 |
The effects of phosphatidylserine on the decreased cardiovascular response to clonidine microinfused into the nucleus tractus solitarii of old rats.
Topics: Aging; Animals; Blood Pressure; Clonidine; Heart Rate; Hemodynamics; Infusions, Intravenous; Male; Medulla Oblongata; Methoxamine; Phentolamine; Phosphatidylserines; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Yohimbine | 1990 |
Differences in contractile responses to electrical stimulation and alpha-adrenergic binding sites in isolated cerebral arteries of humans, cows, dogs, and monkeys.
Topics: Animals; Aspirin; Cattle; Cerebral Arteries; Dogs; Electric Stimulation; Female; Humans; In Vitro Techniques; Macaca; Norepinephrine; Phentolamine; Prazosin; Receptors, Adrenergic, alpha; Serotonin; Species Specificity; Vasoconstriction; Yohimbine | 1985 |
Phosphoinositide hydrolysis is correlated with agonist-induced calcium flux and contraction in the rabbit aorta.
Topics: Animals; Aorta; Calcium; Female; Hydrolysis; In Vitro Techniques; Ion Channels; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenoxybenzamine; Phosphatidylinositols; Prazosin; Rabbits; Yohimbine | 1985 |
Agonists interaction with radiolabeled alpha-adrenoceptor antagonists binding sites in rat mesenteric artery.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Binding Sites; Binding, Competitive; Cell Membrane; Female; In Vitro Techniques; Male; Mesenteric Arteries; Muscle Contraction; Muscle, Smooth, Vascular; Prazosin; Radioligand Assay; Rats; Receptors, Adrenergic, alpha; Yohimbine | 1985 |
Cultured vascular smooth muscle cells: an in vitro system for study of alpha-adrenergic receptor coupling and regulation.
Topics: Animals; Aorta; Biological Transport; Calcium; Cells, Cultured; In Vitro Techniques; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Yohimbine | 1985 |
Innervation of human omental arteries and veins and vasomotor response to noradrenaline, neuropeptide Y, substance P and vasoactive intestinal peptide.
Topics: Aged; Arteries; Dinoprost; Female; Histocytochemistry; Humans; In Vitro Techniques; Male; Middle Aged; Muscle Contraction; Muscle, Smooth, Vascular; Nerve Tissue Proteins; Neurons; Neuropeptide Y; Norepinephrine; Omentum; Prazosin; Prostaglandins F; Receptors, Adrenergic, alpha; Regional Blood Flow; Substance P; Vasoactive Intestinal Peptide; Vasomotor System; Veins; Yohimbine | 1985 |
Radioligand binding and functional assays demonstrate postsynaptic alpha 2-receptors on proximal tubules of rat and rabbit kidney.
Topics: Amiloride; Animals; Autoradiography; Guanabenz; Hydroxydopamines; In Vitro Techniques; Kidney Cortex; Kidney Tubules, Proximal; Kinetics; Male; Oxidopamine; Prazosin; Rabbits; Radioligand Assay; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1985 |
Alpha-blockade and vasodilatation induced by nipradilol, arotinolol and labetalol in pithed rats.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Blood Pressure; Clonidine; Decerebrate State; Labetalol; Male; Phenylephrine; Prazosin; Propanolamines; Rats; Rats, Inbred Strains; Vasodilation; Yohimbine | 1985 |
Alpha 2 adrenergic receptors in hyperplastic human prostate: identification and characterization using [3H] rauwolscine.
Topics: Binding, Competitive; Cerebral Cortex; Clonidine; DNA; Humans; Kinetics; Male; Nordefrin; Prazosin; Prostate; Prostatic Hyperplasia; Radioligand Assay; Receptors, Adrenergic, alpha; Tritium; Yohimbine | 1986 |
Regulation of renal cellular cAMP levels by prostaglandins and alpha 2-adrenoceptors: microdissection studies.
Topics: 1-Methyl-3-isobutylxanthine; Animals; Cyclic AMP; Dinoprostone; Dissection; Epinephrine; Kidney; Kidney Glomerulus; Kidney Tubules; Male; Prazosin; Propranolol; Prostaglandins; Prostaglandins E; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Time Factors; Yohimbine | 1986 |
Influence of the alpha-2 agonist oxaminozoline (S3341) on firing rate of central noradrenergic and serotonergic neurons in the rat. Comparison with clonidine.
Topics: Adrenergic alpha-Agonists; Animals; Clonidine; Electrophysiology; Iontophoresis; Locus Coeruleus; Male; Neurons; Norepinephrine; Oxazoles; Prazosin; Raphe Nuclei; Rats; Rilmenidine; Serotonin; Yohimbine | 1986 |
Vascular smooth muscle: availability of calcium through alpha-adrenoceptor stimulation.
Topics: Adrenergic alpha-Agonists; Animals; Azepines; Calcium; Female; Male; Methoxamine; Muscle Contraction; Muscle, Smooth, Vascular; Pertussis Toxin; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Vasoconstriction; Virulence Factors, Bordetella; Yohimbine | 1986 |
Demonstration of alpha 2-adrenoceptor-mediated contraction in the isolated canine saphenous artery treated with Bay K 8644.
Topics: 3-Pyridinecarboxylic acid, 1,4-dihydro-2,6-dimethyl-5-nitro-4-(2-(trifluoromethyl)phenyl)-, Methyl ester; Animals; Arteries; Dogs; Female; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 1987 |
Modulation of noradrenaline release by peripheral presynaptic alpha 2-adrenoceptors in humans.
Topics: Blood Pressure; Doxazosin; Heart Rate; Humans; Injections, Intra-Arterial; Male; Norepinephrine; Prazosin; Receptors, Adrenergic, alpha; Regional Blood Flow; Tyramine; Yohimbine | 1987 |
Renal and iliac vascular effects of dopamine in the anaesthetized rat.
Topics: Adrenergic alpha-Antagonists; Anesthesia; Animals; Benzazepines; Butaclamol; Dopamine; Drug Interactions; Iliac Artery; Indomethacin; Male; Methiothepin; Prazosin; Rats; Regional Blood Flow; Renal Circulation; Reserpine; Sotalol; Vascular Resistance; Yohimbine | 1987 |
Postsynaptic alpha 1- and alpha 2-adrenergic mechanisms in coronary vasoconstriction.
Topics: Animals; Azepines; Coronary Circulation; Coronary Vessels; Dogs; Epinephrine; Norepinephrine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1988 |
Influence of a receptor reserve on the inhibition by calcium channel blockers of alpha adrenoceptor-mediated responses in rat isolated vascular tissues.
Topics: Animals; Aorta, Thoracic; Calcium; Female; In Vitro Techniques; Ion Channels; Male; Mesenteric Arteries; Muscle Contraction; Muscle, Smooth, Vascular; Nifedipine; Perfusion; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Verapamil; Yohimbine | 1988 |
Action of dopamine on isolated human saphenous veins.
Topics: Aged; Dopamine; Doxazosin; Female; Humans; In Vitro Techniques; Male; Middle Aged; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Saphenous Vein; Vasodilator Agents; Yohimbine | 1988 |
Nature of hypo- and hyperthermia induced by the calcium antagonist nicardipine.
Topics: Animals; Body Temperature Regulation; Cats; Fever; Hypothermia; Injections, Intraventricular; Ion Channels; Nicardipine; Prazosin; Propranolol; Receptors, Adrenergic, alpha; Respiration; Yohimbine | 1987 |
The alpha adrenergic binding properties of terazosin in the human prostate adenoma and canine brain.
Topics: Adrenergic alpha-Antagonists; Aged; Animals; Binding Sites; Binding, Competitive; Cerebral Cortex; Dogs; Humans; Male; Middle Aged; Phenethylamines; Prazosin; Prostatic Hyperplasia; Tetralones; Yohimbine | 1988 |
Alpha-adrenergic and serotonergic mechanisms in the human digit.
Topics: Adult; Blood Pressure; Clonidine; Dose-Response Relationship, Drug; Fingers; Humans; Ketanserin; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Receptors, Serotonin; Reflex; Regional Blood Flow; Serotonin; Sympathetic Nervous System; Vascular Resistance; Vasoconstriction; Yohimbine | 1988 |
Antagonism of alpha 1-adrenoceptor-mediated vascular contraction by urapidil in isolated arterial strips of spontaneously hypertensive rats.
Topics: Age Factors; Animals; Antihypertensive Agents; Dose-Response Relationship, Drug; Hypertension; In Vitro Techniques; Male; Norepinephrine; Phentolamine; Phenylephrine; Piperazines; Prazosin; Rats; Rats, Inbred SHR; Rats, Inbred WKY; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1988 |
Effect of endothelium removal on stimulatory and inhibitory modulation of rat aortic prostacyclin synthesis.
Topics: 15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic Acid; Acetylcholine; Animals; Aorta; Carbachol; Endothelium, Vascular; Epinephrine; Epoprostenol; In Vitro Techniques; Male; Nifedipine; Nitroprusside; Norepinephrine; Phorbol 12,13-Dibutyrate; Prazosin; Prostaglandin Endoperoxides, Synthetic; Rats; Rats, Inbred Strains; Sodium Fluoride; Substance P; Yohimbine | 1989 |
Glomerular and tubular alpha 1- and alpha 2-adrenoceptors in the rat kidney: distribution in basolateral and brush border membranes of tubular cells.
Topics: Alkaline Phosphatase; Animals; Glucose; Glutamates; In Vitro Techniques; Kidney Glomerulus; Kidney Tubules; Male; Membranes; Microvilli; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, beta; Sodium-Potassium-Exchanging ATPase; Thermodynamics; Yohimbine | 1989 |
Differential inhibitory effects of nitroglycerin on contractile responses to the alpha-adrenoceptor agonists, methoxamine and clonidine, in rabbit aorta.
Topics: Adrenergic alpha-Agonists; Animals; Calcium; Calcium Radioisotopes; Clonidine; Egtazic Acid; In Vitro Techniques; Lanthanum; Male; Methoxamine; Muscle Relaxation; Muscle, Smooth, Vascular; Nifedipine; Nitroglycerin; Phenoxybenzamine; Potassium; Prazosin; Rabbits; Yohimbine | 1989 |
Characterisation of human prostatic adrenoceptors using pharmacology receptor binding and localisation.
Topics: Adult; Aged; Humans; Male; Middle Aged; Muscle Contraction; Norepinephrine; Prazosin; Prostate; Prostatic Hyperplasia; Radioligand Assay; Receptors, Adrenergic, alpha; Yohimbine | 1989 |
[Inhibitory action of intracerebroventricular injections of norepinephrine and clonidine on ventricular extrasystoles induced by stimulating hypothalamus in rabbits].
Topics: Animals; Cardiac Complexes, Premature; Clonidine; Electric Stimulation; Female; Hypothalamus; Injections, Intraventricular; Male; Norepinephrine; Phentolamine; Prazosin; Rabbits; Yohimbine | 1989 |
Effect of yohimbine on urethane-induced hyperglycemia in rats.
Topics: Animals; Glyburide; Hyperglycemia; Male; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Urethane; Yohimbine | 1989 |
Noradrenergic and opioidergic influences on the antinociceptive effect of clomipramine in the formalin test in rats.
Topics: Analgesics; Animals; Clomipramine; Endorphins; Female; Formaldehyde; Morphine; Naloxone; Norepinephrine; Pain Measurement; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1989 |
Central and peripheral effects of prostaglandin E2 and enprostil on exocrine pancreatic secretion in rats.
Topics: Animals; Dinoprostone; Dioxanes; Dose-Response Relationship, Drug; Enprostil; Idazoxan; Injections, Intraventricular; Male; Pancreas; Pancreatic Juice; Prazosin; Prostaglandins E, Synthetic; Rats; Rats, Inbred Strains; Vagus Nerve; Yohimbine | 1989 |
Ethanol exhibits alpha receptor blocking-like properties in anesthetized rats.
Topics: Anesthesia, General; Animals; Blood Pressure; Dose-Response Relationship, Drug; Ethanol; Male; Norepinephrine; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Reference Values; Yohimbine | 1989 |
Localization and characterization of alpha-2 adrenoceptors in the isolated canine pulmonary vein.
Topics: Animals; Azepines; Dogs; Dose-Response Relationship, Drug; In Vitro Techniques; Phenoxybenzamine; Prazosin; Pulmonary Veins; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1989 |
Effects of alpha adrenoceptor blockade on renal nerve stimulation-induced norepinephrine release and vasoconstriction in the dog kidney.
Topics: Animals; Blood Pressure; Dogs; Electric Stimulation; Female; Kidney; Male; Norepinephrine; Prazosin; Receptors, Adrenergic, alpha; Renal Circulation; Vasoconstriction; Yohimbine | 1989 |
Identification of alpha 2-adrenergic receptor sites in human retinoblastoma (Y-79) and neuroblastoma (SH-SY5Y) cells.
Topics: Binding, Competitive; Cell Membrane; Clonidine; Epinephrine; Guanylyl Imidodiphosphate; Humans; Neuroblastoma; Phentolamine; Prazosin; Receptors, Adrenergic, alpha; Retinoblastoma; Sodium; Tritium; Tumor Cells, Cultured; Yohimbine | 1989 |
Effect of metalaxyl on heart rate in rats: role of alpha 1-adrenoreceptors.
Topics: Alanine; Animals; Depression, Chemical; Heart Rate; Injections, Intraperitoneal; Male; Phentolamine; Prazosin; Random Allocation; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1989 |
Mechanism of neuropeptide Y inhibition of vasopressin action in rat cortical collecting tubule.
Topics: Animals; Arginine Vasopressin; Clonidine; Cyclic AMP; Drug Interactions; In Vitro Techniques; Kidney Cortex; Kidney Tubules; Kidney Tubules, Collecting; Kinetics; Neuropeptide Y; Pertussis Toxin; Prazosin; Rats; Rats, Inbred Strains; Virulence Factors, Bordetella; Yohimbine | 1989 |
Epinephrine stimulates inositol phospholipid metabolism by activating alpha-2 adrenergic receptors in human platelets.
Topics: Blood Platelets; Bucladesine; Cyclic GMP; Epinephrine; Humans; Inositol; Inositol Phosphates; Mianserin; Prazosin; Receptors, Adrenergic, alpha; Sugar Phosphates; Yohimbine | 1989 |
Mechanisms of inhibitory noradrenergic transmission in the rabbit facial vein.
Topics: Animals; Electric Stimulation; Face; Female; In Vitro Techniques; Isoproterenol; Male; Membrane Potentials; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Propranolol; Rabbits; Synaptic Transmission; Veins; Yohimbine | 1989 |
Alpha-adrenergic regulation of androgen receptor concentration in the preoptic area of the rat.
Topics: Adrenergic Fibers; Animals; Castration; Catecholamines; Cell Nucleus; Ditiocarb; Female; Male; Prazosin; Preoptic Area; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Androgen; Yohimbine | 1989 |
Adaptive changes in the central noradrenergic system in monocular deprived rats.
Topics: Animals; Female; Geniculate Bodies; Lighting; Male; Norepinephrine; Prazosin; Rats; Receptors, Adrenergic, alpha; Superior Colliculi; Visual Cortex; Yohimbine | 1989 |
The role of coronary alpha 1-adrenoceptors of the dog heart in dopamine-induced cardiostimulation evidenced by treatment with prazosin.
Topics: Animals; Coronary Circulation; Dogs; Dopamine; Dose-Response Relationship, Drug; Female; Heart; Male; Myocardial Contraction; Myocardium; Oxygen Consumption; Prazosin; Receptors, Adrenergic, alpha; Vasoconstrictor Agents; Yohimbine | 1989 |
Alpha 2-adrenergic modulation of synaptic excitability in the rat nucleus tractus solitarius.
Topics: Action Potentials; Animals; Clonidine; Electric Stimulation; In Vitro Techniques; Male; Medulla Oblongata; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1989 |
Renal alpha-adrenoceptor density and blood pressure in SHR rats exposed chronically to prazosin and/or yohimbine.
Topics: Animals; Blood Pressure; Hypertension; Kidney; Male; Prazosin; Radioligand Assay; Rats; Rats, Inbred SHR; Rats, Inbred Strains; Rats, Inbred WKY; Receptors, Adrenergic, alpha; Time Factors; Yohimbine | 1989 |
Progesterone depression of norepinephrine-stimulated cAMP accumulation in hypothalamic slices.
Topics: Animals; Colforsin; Cyclic AMP; Estradiol; Female; Hypothalamus; In Vitro Techniques; Norepinephrine; Phosphoric Diester Hydrolases; Prazosin; Preoptic Area; Progesterone; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Vasoactive Intestinal Peptide; Yohimbine | 1989 |
Pharmacological identification of the alpha-adrenergic receptor type which inhibits the beta-adrenergic activated adenylate cyclase system in cultured astrocytes.
Topics: Adenylyl Cyclases; Animals; Animals, Newborn; Astrocytes; Cells, Cultured; Cerebral Cortex; Enzyme Activation; Isoproterenol; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Yohimbine | 1989 |
Role of alpha-adrenergic mechanism in effects of morphine on the hypothalamo-pituitary-adrenocortical and cardiovascular systems in the rat.
Topics: Adrenal Cortex; Adrenocorticotropic Hormone; Animals; Blood Pressure; Corticosterone; Heart Rate; Hypothalamo-Hypophyseal System; Male; Morphine; Pituitary-Adrenal System; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Reference Values; Yohimbine | 1989 |
Characterization of intrarenal arterial adrenergic receptors in renovascular hypertension.
Topics: Animals; Binding Sites; Binding, Competitive; Hypertension, Renovascular; Male; Osmolar Concentration; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Renal Artery; Yohimbine | 1989 |
Evidence for prazosin-resistant, rauwolscine-sensitive alpha-adrenoceptors mediating contractions in the isolated vascular bed of the rat tail.
Topics: Animals; Arginine Vasopressin; Blood Pressure; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Perfusion; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Regional Blood Flow; Tail; Yohimbine | 1989 |
Postjunctional alpha 2-adrenoceptors mediate vasoconstriction in human subcutaneous resistance vessels.
Topics: Adult; Aged; Aged, 80 and over; Antihypertensive Agents; Arteries; Azepines; Brimonidine Tartrate; Doxazosin; Female; Humans; In Vitro Techniques; Male; Middle Aged; Norepinephrine; Prazosin; Quinoxalines; Receptors, Adrenergic, alpha; Regional Blood Flow; Skin; Vascular Resistance; Vasoconstriction; Veins; Yohimbine | 1989 |
Inhibition of vagal transmission by cardiac sympathetic nerve stimulation in the dog: possible involvement of opioid receptor.
Topics: Blood Pressure; Electric Stimulation; Enkephalin, Leucine; Heart; Heart Rate; Methacholine Chloride; Methacholine Compounds; Naloxone; Naltrexone; Norepinephrine; Prazosin; Receptors, Opioid; Sympathetic Nervous System; Synaptic Transmission; Vagus Nerve; Yohimbine | 1989 |
Relation between density (maximum binding) of alpha adrenoceptor binding sites and contractile response in four canine vascular tissues.
Topics: Animals; Aorta; Azepines; Dogs; In Vitro Techniques; Mesenteric Arteries; Mesenteric Veins; Norepinephrine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Vasomotor System; Veins; Yohimbine | 1989 |
[Biochemical features of platelet alpha2-adrenergic receptors and their connection with an increase in concentration of intracellular Ca2+].
Topics: Blood Platelets; Calcium; Cyclic AMP; Depression, Chemical; Epinephrine; Humans; Norepinephrine; Phentolamine; Platelet Activating Factor; Prazosin; Propranolol; Receptors, Adrenergic, alpha; Serotonin; Stimulation, Chemical; Vasopressins; Yohimbine | 1989 |
Variation in sensitivity of six cat and six rat arteries to norepinephrine can be related to differences in agonist affinity and receptor reserve.
Topics: Animals; Arteries; Cats; In Vitro Techniques; Male; Norepinephrine; Prazosin; Rats; Rats, Inbred WKY; Receptors, Adrenergic, alpha; Species Specificity; Vasoconstriction; Yohimbine | 1989 |
Alpha-2A and alpha-2B adrenergic receptor subtypes: attenuation of cyclic AMP production in cell lines containing only one receptor subtype.
Topics: Animals; Brimonidine Tartrate; Cyclic AMP; Humans; Isoquinolines; Piperazines; Prazosin; Quinoxalines; Rats; Receptors, Adrenergic, alpha; Tumor Cells, Cultured; Yohimbine | 1989 |
Involvement of alpha-adrenoreceptors in the regulation of omasal cyclic myoelectrical activity in sheep.
Topics: Animals; Electrodes; Electromyography; Female; Naphazoline; Omasum; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Sheep; Yohimbine | 1989 |
Alpha-adrenoceptor function in isolated penile circumflex veins from potent and impotent men.
Topics: Adult; Aged; Erectile Dysfunction; Humans; In Vitro Techniques; Male; Middle Aged; Muscle Contraction; Norepinephrine; Papaverine; Penile Erection; Penis; Phentolamine; Phenylephrine; Potassium; Prazosin; Receptors, Adrenergic, alpha; Veins; Yohimbine | 1989 |
Effects of chlorpromazine in the nucleus reticularis lateralis on the cat cerebellar potentials.
Topics: Animals; Cats; Cerebellum; Chlorpromazine; Electric Stimulation; Evoked Potentials; Female; Injections; Locus Coeruleus; Male; Medulla Oblongata; Peripheral Nerves; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Sympathomimetics; Yohimbine | 1989 |
Alpha-adrenergic influences on neuronal responses to visceral afferent input in the nucleus tractus solitarius.
Topics: Animals; Clonidine; Electric Stimulation; Electrodes, Implanted; Evoked Potentials; In Vitro Techniques; Male; Medulla Oblongata; Methoxamine; Neurons, Afferent; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1989 |
Differential effects of prazosin and yohimbine on fentanyl-induced muscular rigidity in rats.
Topics: Animals; Blood Pressure; Electromyography; Fentanyl; Heart Rate; Male; Muscle Rigidity; Muscles; Prazosin; Radioimmunoassay; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1989 |
Characterization of alpha-adrenoceptor subtypes by [3H]prazosin and [3H]rauwolscine binding to canine venous smooth muscle membranes.
Topics: Animals; Azepines; Dogs; Female; In Vitro Techniques; Kinetics; Male; Microsomes; Muscle, Smooth, Vascular; Phenylephrine; Prazosin; Radioligand Assay; Receptors, Adrenergic, alpha; Yohimbine | 1989 |
Does in vitro activation of postsynaptic alpha 2-adrenoceptor utilize intracellular Ca2+ for contraction in dog saphenous vein?
Topics: Animals; Azepines; Calcium; Dogs; Egtazic Acid; HEPES; In Vitro Techniques; Manganese; Muscle Contraction; Muscle, Smooth, Vascular; Nifedipine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Saphenous Vein; Yohimbine | 1989 |
Alpha-adrenoceptor properties in rat strains sensitive or resistant to salt-induced hypertension.
Topics: Animals; Cerebral Cortex; Hypertension; Kidney Cortex; Kinetics; Male; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sodium Chloride; Species Specificity; Yohimbine | 1989 |
Effects of suramin and alpha, beta-methylene ATP indicate noradrenaline-ATP co-transmission in the response of the mouse vas deferens to single and low frequency pulses.
Topics: Adenosine Triphosphate; Animals; Dioxanes; Electric Stimulation; Idazoxan; In Vitro Techniques; Male; Mice; Muscle, Smooth; Norepinephrine; Prazosin; Suramin; Synaptic Transmission; Vas Deferens; Yohimbine | 1989 |
Intrathecal bradykinin acts presynaptically on spinal noradrenergic terminals to produce antinociception in the rat.
Topics: Adrenergic alpha-Antagonists; Analgesics; Animals; Biogenic Monoamines; Bradykinin; Catecholamines; Catheters, Indwelling; Dioxanes; Endorphins; Hydroxydopamines; Idazoxan; Injections, Spinal; Kallidin; Male; Naloxone; Oxidopamine; Phentolamine; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Reaction Time; Spinal Cord; Yohimbine | 1989 |
Expression of functional postjunctional alpha 2-adrenoceptors in rabbit isolated distal saphenous artery--a permissive role for angiotensin II?
Topics: Adrenergic alpha-Agonists; Angiotensin II; Animals; Arteries; Brimonidine Tartrate; Drug Interactions; In Vitro Techniques; Male; Prazosin; Quinoxalines; Rabbits; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1989 |
Prolactin (PRL) release-inhibiting properties of the alpha 2 adrenergic receptor antagonist idazoxan: comparison with yohimbine.
Topics: 5-Hydroxytryptophan; Adrenergic alpha-Antagonists; Animals; Bis(4-Methyl-1-Homopiperazinylthiocarbonyl)disulfide; Clonidine; Dioxanes; Dioxins; Growth Hormone; Idazoxan; Kinetics; Male; Morphine; Norepinephrine; Prazosin; Prolactin; Quipazine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Restraint, Physical; Yohimbine | 1989 |
An in vivo evaluation of alpha adrenergic receptors in canine prostate.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Azepines; Benzazepines; Clonidine; Dogs; Dose-Response Relationship, Drug; Epinephrine; Male; Prazosin; Pressure; Prostate; Receptors, Adrenergic, alpha; Yohimbine | 1989 |
Stimulation of postjunctional alpha-1 and alpha-2 adrenoreceptors increases proximal urethral perfusion pressure in the pithed rat.
Topics: Adrenergic alpha-Agonists; Animals; Azepines; Decerebrate State; Perfusion; Phenylephrine; Prazosin; Pressure; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Urethra; Vagotomy; Yohimbine | 1989 |
Adrenergic and purinergic neurotransmission in arterial resistance vessels of the cat intestinal circulation.
Topics: Adenosine Triphosphate; Adrenergic alpha-Antagonists; Animals; Atropine; Cats; Electric Stimulation; Female; In Vitro Techniques; Male; Prazosin; Propranolol; Receptors, Purinergic; Stimulation, Chemical; Sympathetic Nervous System; Synaptic Transmission; Time Factors; Yohimbine | 1989 |
Subclassification of alpha 1-adrenoceptor recognition sites by urapidil derivatives and other selective antagonists.
Topics: Adrenergic alpha-Antagonists; Animals; Antihypertensive Agents; Dioxanes; Heart; In Vitro Techniques; Male; Myocardium; Phenethylamines; Phentolamine; Piperazines; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Tetralones; Yohimbine | 1989 |
Central nervous system-mediated glucagon secretion is enhanced by alpha 2-adrenoreceptor activation.
Topics: Adrenalectomy; Adrenergic alpha-Antagonists; Animals; Blood Glucose; Cerebral Ventricles; Glucagon; Hexamethonium; Hexamethonium Compounds; Injections, Intraventricular; Male; Neostigmine; Norepinephrine; Phentolamine; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Reference Values; Yohimbine | 1989 |
Analysis of responses to sympathetic nerve stimulation in the feline pulmonary vascular bed.
Topics: Adrenergic beta-Antagonists; Animals; Cats; Electric Stimulation; Lung; Norepinephrine; Prazosin; Propanolamines; Propranolol; Pulmonary Circulation; Sympathetic Nervous System; Tyramine; Vascular Resistance; Yohimbine | 1989 |
Characterization of a novel alpha 1-adrenoceptor antagonist, SGB-1534, in contractile response of isolated canine arterial and venous smooth muscle to exogenous noradrenaline: comparison with prazosin, phentolamine and yohimbine.
Topics: Adrenergic alpha-Antagonists; Animals; Dogs; Female; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phentolamine; Prazosin; Quinazolines; Yohimbine | 1989 |
Selective blockade of alpha 1-adrenoceptors of porcine vascular smooth muscle cells by bunazosin.
Topics: Adrenergic alpha-Antagonists; Animals; In Vitro Techniques; Membranes; Microsomes; Muscle, Smooth, Vascular; Muscles; Prazosin; Quinazolines; Swine; Yohimbine | 1989 |
An in vivo procedure for the selective inactivation of rat brain cerebral cortical alpha-adrenoceptors using N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline (EEDQ).
Topics: Adrenergic alpha-Antagonists; Animals; Cell Membrane; Cerebral Cortex; Clonidine; Cyclic AMP; Dihydroalprenolol; Inositol Phosphates; Isoproterenol; Male; Norepinephrine; Prazosin; Quinolines; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1989 |
Characterization of autonomic receptors in neonatal urinary tract smooth muscle.
Topics: Adrenergic Agonists; Animals; Animals, Newborn; Carbachol; Clonidine; Dihydroalprenolol; Dose-Response Relationship, Drug; In Vitro Techniques; Muscle Contraction; Muscle, Smooth; Prazosin; Quinuclidinyl Benzilate; Rabbits; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Receptors, Muscarinic; Urinary Tract; Yohimbine | 1989 |
Renal periarterial nerve stimulation-induced vasoconstriction at low frequencies is primarily due to release of a purinergic transmitter in the rat.
Topics: Adenosine Triphosphate; Adrenergic alpha-Antagonists; Animals; Electric Stimulation; Male; Neurotransmitter Agents; Phentolamine; Prazosin; Purines; Rabbits; Rats; Receptors, Purinergic; Renal Artery; Vasoconstriction; Yohimbine | 1989 |
Alpha-adrenoceptors and insulin release from pancreatic islets of normal and diabetic rats.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Antihypertensive Agents; Brimonidine Tartrate; Diabetes Mellitus, Experimental; Dioxanes; Female; Glucose; Idazoxan; Insulin; Islets of Langerhans; Male; Phentolamine; Prazosin; Quinoxalines; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Streptozocin; Yohimbine | 1989 |
Alpha 1- and beta-adrenergic agents cause synergistic stimulation of the iodothyronine deiodinase in rat brown adipocytes.
Topics: Adipose Tissue, Brown; Adrenergic alpha-Agonists; Adrenergic beta-Agonists; Alprenolol; Animals; Bucladesine; Cells, Cultured; Colforsin; Cyclic AMP; Drug Synergism; Enzyme Activation; Imidazoles; Iodide Peroxidase; Isoproterenol; Male; Norepinephrine; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1989 |
Alpha-blockade on blood pressure and on cardiac noradrenaline content in SHR and DOCA-salt rats.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Pressure; Body Weight; Desoxycorticosterone; Heart; Hypertension; Male; Myocardium; Norepinephrine; Prazosin; Rats; Rats, Inbred SHR; Rats, Inbred Strains; Rats, Inbred WKY; Yohimbine | 1989 |
Adrenergic stimulation of inositol-phosphate production in a genital tract smooth muscle cell line.
Topics: Adrenergic Agonists; Adrenergic alpha-Antagonists; Animals; Catecholamines; Cell Line; Cricetinae; Dose-Response Relationship, Drug; Genital Neoplasms, Male; Inositol Phosphates; Leiomyosarcoma; Male; Mesocricetus; Muscle, Smooth; Norepinephrine; Phentolamine; Prazosin; Propranolol; Tumor Cells, Cultured; Yohimbine | 1989 |
Novel alpha 2-adrenoceptor antagonists show selectivity for alpha 2A- and alpha 2B-adrenoceptor subtypes.
Topics: Adrenergic alpha-Antagonists; Animals; Animals, Newborn; Binding, Competitive; Blood Platelets; Cerebral Cortex; In Vitro Techniques; Kinetics; Lung; Male; Oxymetazoline; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1989 |
Influence of dopaminergic and noradrenergic systems on the release of opioid peptides in guinea-pig ileum.
Topics: Adrenergic alpha-Antagonists; Animals; Domperidone; Dopamine; Endorphins; Female; Guinea Pigs; Ileum; In Vitro Techniques; Male; Muscle, Smooth; Myenteric Plexus; Naloxone; Norepinephrine; Piperidines; Prazosin; Receptors, Dopamine; Yohimbine | 1989 |
Effects of St-587 on the alpha-adrenoceptors in the bisected rat vas deferens.
Topics: Animals; Clonidine; Electric Stimulation; Epididymis; In Vitro Techniques; Male; Muscle, Smooth; Phenylephrine; Prazosin; Prostate; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Vas Deferens; Yohimbine | 1989 |
Stimulation of alpha 1-adrenoceptors increases electrically evoked [3H]acetylcholine release from the rat phrenic nerve.
Topics: Acetylcholine; Adrenergic alpha-Agonists; Animals; Clonidine; Electric Stimulation; Female; In Vitro Techniques; Male; Oxymetazoline; Phenylephrine; Phrenic Nerve; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Yohimbine | 1989 |
Different roles of alpha-noradrenergic receptor subtypes in regulating lordosis.
Topics: Adrenergic alpha-Antagonists; Animals; Dioxanes; Dioxins; Estradiol; Female; Guinea Pigs; Idazoxan; Posture; Prazosin; Progesterone; Receptors, Adrenergic, alpha; Sexual Behavior, Animal; Yohimbine | 1989 |
Paradoxical effects of isothiocyanate analog of tolazoline on rat aorta and human platelets.
Topics: Adrenergic alpha-Antagonists; Animals; Aorta; Atrial Function; Benzazepines; Blood Platelets; Calcium; Carbachol; Dose-Response Relationship, Drug; Epinephrine; Female; Guinea Pigs; Heart Atria; Isoproterenol; Isothiocyanates; Male; Nifedipine; Phenoxybenzamine; Phentolamine; Phenylephrine; Platelet Activation; Platelet Aggregation; Prazosin; Rats; Rats, Inbred Strains; Temperature; Thiocyanates; Tolazoline; Trachea; Vasoconstriction; Verapamil; Yohimbine | 1989 |
Pharmacological evaluation of rat paw oedema induced by Bothrops jararaca venom.
Topics: Animals; Captopril; Crotalid Venoms; Dexamethasone; Edema; Hot Temperature; Indomethacin; Male; Masoprocol; Platelet Activating Factor; Prazosin; Quinacrine; Rats; Rats, Inbred Strains; Reference Values; Yohimbine | 1989 |
Influence of intraarterial norepinephrine on cerebral hemodynamics of newborn pigs.
Topics: Animals; Animals, Newborn; Brain; Carotid Arteries; Cerebrovascular Circulation; Hemodynamics; Injections, Intra-Arterial; Norepinephrine; Oxygen Consumption; Prazosin; Propranolol; Swine; Yohimbine | 1989 |
New isoxazole derivatives provided with antihypertensive activity.
Topics: Animals; Antihypertensive Agents; Aorta, Thoracic; Binding, Competitive; Chemical Phenomena; Chemistry; Clonidine; In Vitro Techniques; Isoxazoles; Magnetic Resonance Spectroscopy; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Oxazoles; Prazosin; Rats; Rats, Inbred SHR; Rats, Inbred Strains; Rats, Inbred WKY; Vas Deferens; Yohimbine | 1989 |
Studies on the mechanism of action of 1-(2-methyl-3-hydroxy-5-hydroxy-methyl-4-pyridyl)-6,7-dihydroxy-1,2,3, 4- tetrahydroisoquinoline (PTIQ) on blood pressure in the anesthetized dog.
Topics: Anesthesia; Animals; Blood Pressure; Coronary Circulation; Dogs; Female; Heart; Heart Rate; In Vitro Techniques; Male; Myocardial Contraction; Naphthalenes; Prazosin; Propranolol; Receptors, Muscarinic; Reserpine; Tetrahydroisoquinolines; Tetrahydronaphthalenes; Vagotomy; Yohimbine | 1989 |
[Effects of clopheline on impulse activity of neurons in the midbrain and dorsal horn of the spinal cord].
Topics: Animals; Cats; Clonidine; Mesencephalon; Naloxone; Neurons; Nociceptors; Pain; Prazosin; Spinal Cord; Yohimbine | 1989 |
The effects of jingsongling, a xylazine analog, on mean arterial blood pressure and heart rate in dogs--influences of yohimbine, tolazoline, prazosin, and atropine.
Topics: Animals; Atropine; Blood Pressure; Dogs; Dose-Response Relationship, Drug; Heart Rate; Male; Molecular Structure; Prazosin; Thiazines; Thiazoles; Tolazoline; Xylazine; Yohimbine | 1989 |
Characterization of alpha-adrenoceptor subtypes involved in regulation of ureteral fluid transport.
Topics: Animals; Clonidine; Dogs; Female; Male; Norepinephrine; Phentolamine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Ureter; Yohimbine | 1987 |
Adrenergic mediation of vasopressin secretion in newborn pigs.
Topics: Animals; Animals, Newborn; Blood Pressure; Hemorrhage; Hydrogen-Ion Concentration; Lypressin; Prazosin; Receptors, Adrenergic, alpha; Secretory Rate; Yohimbine | 1987 |
A centrally-mediated effect of morphine to diminish hepatocellular glutathione.
Topics: Adrenalectomy; Animals; Epinephrine; Glutathione; Hydrocortisone; Injections, Intraventricular; Liver; Male; Mice; Mice, Inbred ICR; Morphine; Prazosin; Receptors, Adrenergic, alpha; Sympathetic Nervous System; Yohimbine | 1987 |
Autoregulation of neuromuscular transmission in the guinea-pig saphenous artery.
Topics: Adenosine Triphosphate; Affinity Labels; Animals; Arteries; Azides; Electric Stimulation; Guinea Pigs; In Vitro Techniques; Male; Membrane Potentials; Muscle, Smooth, Vascular; Neuromuscular Junction; Prazosin; Propranolol; Receptors, Adrenergic; Synaptic Transmission; Yohimbine | 1987 |
Regulation of alpha-1 adrenergic receptor density and functional responsiveness in rat brain.
Topics: Animals; Benzylamines; Brain Chemistry; Cyclic AMP; Desipramine; Male; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Reserpine; Yohimbine | 1987 |
[Relation of the antihypertensive effect and central alpha-adrenoceptor of rhomotoxin].
Topics: Animals; Blood Pressure; Diterpenes; Female; Injections, Intraventricular; Male; Phentolamine; Prazosin; Rabbits; Rats; Receptors, Adrenergic, alpha; Renin; Yohimbine | 1987 |
Characterisation of the alpha-adrenoceptors of the rat renal vascular bed.
Topics: Animals; Azepines; Clonidine; Dopamine; In Vitro Techniques; Kidney; Male; Nordefrin; Perfusion; Phenylephrine; Prazosin; Rabbits; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Vascular Resistance; Yohimbine | 1987 |
Selective modification of renal alpha 2-adrenergic receptors in Milan hypertensive rat strain.
Topics: Age Factors; Animals; Brain; Hypertension; Kidney Cortex; Male; Norepinephrine; Prazosin; Rats; Rats, Inbred SHR; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1987 |
Presynaptic alpha 2-adrenoceptors exclusively sensitive to agonists of phenylethylamine structure on the sympathetic nerves of the human gall bladder artery.
Topics: Adrenergic Fibers; Arteries; Berberine; Electric Stimulation; Gallbladder; Humans; In Vitro Techniques; Nordefrin; Norepinephrine; Phenethylamines; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 1987 |
Pharmacological properties of the norepinephrine-induced depolarization of astrocytes in primary culture: evidence for the involvement of an alpha 1-adrenergic receptor.
Topics: Animals; Animals, Newborn; Astrocytes; Cells, Cultured; Dioxanes; Idazoxan; Kinetics; Membrane Potentials; Norepinephrine; Prazosin; Rats; Receptors, Adrenergic, alpha; Yohimbine | 1987 |
Hypertensinogenic factors and renal alpha-adrenoceptors in young SHR and WKY rats.
Topics: Animals; Blood Pressure; Body Weight; Desoxycorticosterone; Hypertension; Kidney; Male; Prazosin; Radioligand Assay; Rats; Rats, Inbred SHR; Rats, Inbred WKY; Receptors, Adrenergic, alpha; Sodium, Dietary; Yohimbine | 1987 |
Estrogen increases adrenergic- but not cholinergic-mediated production of inositol phosphates in rabbit uterus.
Topics: Animals; Carbachol; Estradiol; Female; Inositol Phosphates; Kinetics; Norepinephrine; Ovariectomy; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Receptors, Muscarinic; Sugar Phosphates; Uterine Contraction; Uterus; Yohimbine | 1987 |
Alpha- and beta-adrenergic receptors in proximal tubules of rat kidney.
Topics: Adenylyl Cyclases; Animals; Centrifugation, Density Gradient; Cyclic AMP; Iodocyanopindolol; Kidney Tubules, Proximal; Male; Nephrons; Pindolol; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Yohimbine | 1987 |
Classification of phenoxybenzamine/prazosin-resistant contractions of rat spleen to norepinephrine by Schild analysis: similarities and differences to postsynaptic alpha-2 adrenoceptors.
Topics: Alkylation; Animals; Dioxanes; Drug Resistance; Idazoxan; Male; Muscle Contraction; Norepinephrine; Phenoxybenzamine; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Spleen; Yohimbine | 1988 |
Action of phenylephrine on protein synthesis in liver cells.
Topics: Animals; Calcium; Cells, Cultured; Cyclic AMP; Dose-Response Relationship, Drug; Liver; Male; Phenylephrine; Prazosin; Propranolol; Protein Biosynthesis; Rats; Rats, Inbred Strains; Starvation; Yohimbine | 1987 |
Effects of alpha 1- and alpha 2-adrenoceptors on basal and adrenaline mediated insulin secretion in rats.
Topics: Animals; Blood Glucose; Epinephrine; Insulin; Insulin Secretion; Male; Phentolamine; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1987 |
Structure-affinity relationships of arylquinolizines at alpha-adrenoceptors.
Topics: Algorithms; Animals; Binding, Competitive; Cattle; Clonidine; Hydrogen-Ion Concentration; Prazosin; Quinolizines; Receptors, Adrenergic, alpha; Structure-Activity Relationship; Yohimbine | 1988 |
Cooling the central ear artery of the rabbit: myogenic and adrenergic responses.
Topics: Adenosine Triphosphate; Animals; Arteries; Brimonidine Tartrate; Calcium; Cold Temperature; Ear; Electric Stimulation; Indomethacin; Male; Norepinephrine; Prazosin; Quinoxalines; Rabbits; Receptors, Adrenergic, alpha; Tetrodotoxin; Vasoconstriction; Yohimbine | 1988 |
Alpha-1 adrenergic receptors on rabbit retinal pigment epithelium.
Topics: Animals; Clonidine; Cyclic AMP; Cyclic GMP; Dose-Response Relationship, Drug; Electric Conductivity; Epinephrine; Isoproterenol; Phenylephrine; Pigment Epithelium of Eye; Prazosin; Rabbits; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1988 |
Alpha-2A and alpha-2B adrenergic receptor subtypes: antagonist binding in tissues and cell lines containing only one subtype.
Topics: Animals; Binding, Competitive; Blood Platelets; Brain; Cell Line; Female; Humans; Kinetics; Lung; Male; Organ Specificity; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Yohimbine | 1988 |
The bindings of 3H-prazosin and 3H-yohimbine to alpha adrenoceptors in the guinea-pig stomach.
Topics: Animals; Apomorphine; Binding, Competitive; Cell Membrane; Domperidone; Dopamine; Gastric Mucosa; Guinea Pigs; Male; Prazosin; Receptors, Adrenergic, alpha; Spiperone; Sympatholytics; Sympathomimetics; Tritium; Yohimbine | 1988 |
Alpha 1-adrenoceptor reserve and effects of a Ca2+ entry blocker (Ro 18-3981) on aorta of spontaneously hypertensive rats.
Topics: Animals; Aorta, Thoracic; Calcium Channel Blockers; Dihydropyridines; In Vitro Techniques; Male; Norepinephrine; Phenoxybenzamine; Prazosin; Rats; Rats, Inbred SHR; Rats, Inbred WKY; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1988 |
Contributions of alpha 1- and alpha 2-adrenoceptors to contractile response in canine blood vessels.
Topics: Animals; Dogs; Dose-Response Relationship, Drug; Female; Femoral Artery; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Receptors, Adrenergic, alpha; Saphenous Vein; Vena Cava, Inferior; Yohimbine | 1988 |
Effect of chronic lithium administration on adrenoceptor binding and adrenoceptor regulation in rat cerebral cortex.
Topics: Animals; Cerebral Cortex; Desipramine; Dihydroalprenolol; Hydroxydopamines; In Vitro Techniques; Injections, Intraventricular; Lithium; Male; Oxidopamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Sympathectomy, Chemical; Yohimbine | 1988 |
Effect of local tissue cooling on microvascular smooth muscle and postjunctional alpha 2-adrenoceptors.
Topics: Animals; Cold Temperature; Male; Microcirculation; Muscle, Smooth, Vascular; Norepinephrine; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1988 |
Role of alpha 1- and alpha 2-adrenoceptors in catecholamine-induced hyperglycaemia, lipolysis and insulin secretion in conscious fasted rabbits.
Topics: Animals; Catecholamines; Clonidine; Hyperglycemia; Insulin; Insulin Secretion; Lipolysis; Male; Prazosin; Propranolol; Rabbits; Receptors, Adrenergic, alpha; Yohimbine | 1988 |
Renal alpha 1-adrenergic receptor response coupling in spontaneously hypertensive rats.
Topics: Angiotensin II; Animals; Carbachol; Hypertension; Inositol Phosphates; Kidney; Kidney Cortex; Male; Norepinephrine; Prazosin; Rats; Rats, Inbred SHR; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Serotonin; Type C Phospholipases; Yohimbine | 1988 |
Alpha 2-adrenoceptor activity exerts dual control of coronary blood flow in canine coronary artery.
Topics: Adenosine; Animals; Blood Pressure; Clonidine; Coronary Circulation; Coronary Vessels; Dogs; Norepinephrine; Phentolamine; Prazosin; Propranolol; Receptors, Adrenergic, alpha; Reference Values; Vasodilation; Yohimbine | 1988 |
Both alpha- and beta-adrenoreceptors contribute to the central depressor effect of catecholamines.
Topics: Animals; Blood Pressure; Brain; Catecholamines; Heart Rate; Injections, Intraventricular; Isoquinolines; Male; Medulla Oblongata; Nordefrin; Platelet Aggregation; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Tetrahydroisoquinolines; Timolol; Yohimbine | 1988 |
Alpha-2-adrenergic modulation of the parathyroid hormone-inhibition of phosphate uptake in cultured renal (OK) cells.
Topics: Animals; Biological Transport; Cells, Cultured; Cyclic AMP; Epinephrine; Kidney Tubules, Proximal; Opossums; Parathyroid Hormone; Pertussis Toxin; Phosphates; Prazosin; Receptors, Adrenergic, alpha; Sodium; Virulence Factors, Bordetella; Yohimbine | 1988 |
Interaction of amiloride with alpha-adrenoreceptors: evidence from radioligand binding studies.
Topics: Amiloride; Animals; Dogs; Female; Humans; Male; Prazosin; Radioligand Assay; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Triamterene; Yohimbine | 1988 |
Existence of two types of postjunctional alpha-adrenoceptors in the isolated canine internal carotid artery.
Topics: Animals; Carotid Artery, Internal; Dogs; Dose-Response Relationship, Drug; Female; Imidazoles; Male; Norepinephrine; Phentolamine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Xylazine; Yohimbine | 1988 |
Role of alpha-adrenoceptor subtypes mediating sympathetic vasoconstriction in human digits.
Topics: Adult; Clonidine; Female; Fingers; Humans; Male; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Sympathetic Nervous System; Vasoconstriction; Yohimbine | 1988 |
Alkylation of alpha-1 receptors with a chemically reactive analog of prazosin reveals low affinity sites for norepinephrine in rabbit aorta.
Topics: Alkylation; Animals; Dose-Response Relationship, Drug; Microsomes; Muscle, Smooth, Vascular; Norepinephrine; Phenoxybenzamine; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Yohimbine | 1988 |
Identification and localization of adrenergic receptors in cat visual cortex.
Topics: Alprenolol; Animals; Cats; Dihydroalprenolol; Female; Male; Prazosin; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Visual Cortex; Yohimbine | 1988 |
Angiotensin II amplification of alpha-adrenergic vasoconstriction: role of receptor reserve.
Topics: Angiotensin II; Animals; Cystamine; Dose-Response Relationship, Drug; Drug Interactions; Femoral Artery; Male; Nifedipine; Norepinephrine; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1988 |
Sites of clonidine action to inhibit gut propulsion in mice: demonstration of a central component.
Topics: Animals; Clonidine; Gastrointestinal Transit; Injections, Intravenous; Injections, Intraventricular; Injections, Spinal; Injections, Subcutaneous; Male; Mice; Mice, Inbred ICR; Prazosin; Receptors, Adrenergic, alpha; Spinal Cord; Yohimbine | 1988 |
Behavioural and electrocortical spectrum-power effects of clonidine and related drugs given into several areas of the rat brain.
Topics: Animals; Behavior, Animal; Clonidine; Electroencephalography; Injections, Intraventricular; Locus Coeruleus; Male; Methoxamine; Microinjections; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sleep; Yohimbine | 1988 |
Alpha adrenoceptor sites in vascular smooth muscle. Differentiation by selective antagonist binding.
Topics: Animals; GTP-Binding Proteins; Guanylyl Imidodiphosphate; In Vitro Techniques; Muscle, Smooth, Vascular; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sodium; Yohimbine | 1988 |
Unique presynaptic alpha 2-receptor selectivity and specificity of the antihypertensive agent moxonidine.
Topics: Animals; Antihypertensive Agents; Aorta, Thoracic; Binding, Competitive; Blood Pressure; Cerebral Cortex; Chemical Phenomena; Chemistry; Clonidine; Dose-Response Relationship, Drug; Female; Guinea Pigs; Heart Atria; Heart Rate; Imidazoles; Ligands; Male; Norepinephrine; Papillary Muscles; Phenylephrine; Prazosin; Pulmonary Artery; Rabbits; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Venae Cavae; Yohimbine | 1988 |
Adrenaline and enhanced vasoconstriction in patients with essential hypertension.
Topics: Epinephrine; Humans; Hypertension; Prazosin; Propranolol; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1988 |
Role of alpha 1- and alpha 2-adrenergic receptors in Cl- transport across frog corneal epithelium.
Topics: Adenylyl Cyclases; Animals; Cell Membrane; Chloride Channels; Chlorides; Cornea; Electrophysiology; Epithelium; In Vitro Techniques; Membrane Potentials; Membrane Proteins; Microelectrodes; Norepinephrine; Phenylephrine; Prazosin; Propranolol; Rana catesbeiana; Receptors, Adrenergic, alpha; Yohimbine | 1988 |
Dose selective dissociation of water and solute excretion after renal alpha-2 adrenoceptor stimulation.
Topics: Animals; Blood Pressure; Body Water; Clonidine; Dose-Response Relationship, Drug; Electrolytes; Kidney; Male; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Vasopressins; Yohimbine | 1988 |
Inhibitory effects of carbamazepine on clonidine-induced aggressive behavior in mice.
Topics: Adenosine; Aggression; Animals; Behavior, Animal; Caffeine; Carbamazepine; Clonidine; Haloperidol; Male; Mice; Prazosin; Receptors, Cell Surface; Yohimbine | 1988 |
Alpha-2-adrenoceptor-mediated inhibition of vagally induced gastric acid secretion with the anti-ulcer agent DQ-2511.
Topics: Animals; Anti-Ulcer Agents; Benzamides; Clonidine; Gastric Acid; Gastric Mucosa; Male; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Regional Blood Flow; Vagus Nerve; Yohimbine | 1988 |
[Effects of guanfacine on the levels of cyclic nucleotides in anesthetized rat brain regions].
Topics: Animals; Antihypertensive Agents; Brain Chemistry; Cyclic AMP; Cyclic GMP; Guanfacine; Guanidines; Hemodynamics; Male; Phenylacetates; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1988 |
Afferent electrical stimulation of mesenteric nerves inhibits duodenal HCO3- secretion via a spinal reflex activation of the splanchnic nerves in the rat.
Topics: Afferent Pathways; Animals; Bicarbonates; Duodenum; Electric Stimulation; Guanethidine; Male; Mesenteric Arteries; Mesenteric Veins; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Reflex; Spinal Cord; Splanchnic Nerves; Yohimbine | 1988 |
Enhancement of endogenous GABA release from rat synaptosomal preparations is mediated by alpha 2-adrenoceptors pharmacologically different from alpha 2-autoreceptors.
Topics: Animals; Clonidine; gamma-Aminobutyric Acid; Hippocampus; Male; Mianserin; Norepinephrine; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Synaptosomes; Yohimbine | 1988 |
Effect of pregnancy and sex steroids on alpha 1-adrenoceptor mechanisms in the guinea-pig uterine vascular bed.
Topics: Animals; Cocaine; Dose-Response Relationship, Drug; Female; Gonadal Steroid Hormones; Guinea Pigs; Isoproterenol; Norepinephrine; Normetanephrine; Potassium; Prazosin; Pregnancy; Pregnancy, Animal; Receptors, Adrenergic, alpha; Uterine Contraction; Uterus; Yohimbine | 1988 |
Alpha-adrenoceptors in Dahl hypertensive and normotensive rats: effect of sodium.
Topics: Animals; Cell Membrane; Cerebral Cortex; Hypertension; Kidney Cortex; Prazosin; Rats; Rats, Mutant Strains; Receptors, Adrenergic, alpha; Sodium; Yohimbine | 1988 |
Studies on the mechanism of prazosin induced sympatho-inhibition.
Topics: Adrenergic Fibers; Amines; Animals; Cats; Central Nervous System; Dioxanes; Dose-Response Relationship, Drug; Electric Stimulation; Evoked Potentials; Hypothalamus, Posterior; Idazoxan; Prazosin; Receptors, Adrenergic, alpha; Spinal Cord; Yohimbine | 1988 |
Reassessment of the blocking activity of prazosin at low and high concentrations on sympathetic neurotransmission in the isolated mesenteric vasculature of rats.
Topics: Adenosine Triphosphate; Animals; Autonomic Nerve Block; Dose-Response Relationship, Drug; Electric Stimulation; Male; Mesenteric Arteries; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Synaptic Transmission; Vasoconstriction; Yohimbine | 1988 |
Evidence for the combined involvement of serotonergic and alpha 2 adrenergic mechanisms in the analgesic activity of tazadolene succinate.
Topics: Analgesia; Analgesics; Animals; Azetidines; Azetines; Benzazepines; Dopamine Antagonists; Female; Fenclonine; Haloperidol; Male; Mice; Mice, Inbred Strains; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Dopamine; Receptors, Serotonin; Reserpine; Yohimbine | 1987 |
Involvement of alpha 1-adrenoceptors in chronotropic responses to endogenously released amines in the pithed rat.
Topics: Animals; Biogenic Amines; Decerebrate State; Diltiazem; Drug Interactions; Electric Stimulation; Heart Rate; Male; Nerve Endings; Norepinephrine; Prazosin; Propranolol; Rats; Receptors, Adrenergic, alpha; Sympathetic Nervous System; Tyramine; Yohimbine | 1988 |
Vascular alpha 2-adrenoceptors can mediate nerve stimulation-evoked contractions.
Topics: Adrenergic alpha-Antagonists; Adult; Animals; Electric Stimulation; Humans; Male; Middle Aged; Muscle Contraction; Muscle, Smooth, Vascular; Neuromuscular Junction; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Saphenous Vein; Synaptic Transmission; Yohimbine | 1985 |
What do antagonists tell us about alpha-adrenoceptors?
Topics: Adrenergic alpha-Antagonists; Animals; Cats; Dogs; Guinea Pigs; Humans; In Vitro Techniques; Mice; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Rabbits; Rats; Receptors, Adrenergic, alpha; Yohimbine | 1985 |
Attempts to uncover subtypes of alpha-adrenoceptors and associated mechanisms by using sequential administration of blocking drugs.
Topics: Adenosine Triphosphate; Adrenergic alpha-Antagonists; Animals; Blood Pressure; Dose-Response Relationship, Drug; Electric Stimulation; Imidazoles; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Propranolol; Rabbits; Rats; Receptors, Adrenergic, alpha; Synaptic Transmission; Yohimbine | 1985 |
Direct measurement of vascular alpha 1-adrenoceptors.
Topics: Adrenergic alpha-Antagonists; Animals; Aorta; Cell Membrane; Female; Muscle, Smooth, Vascular; Phenethylamines; Phentolamine; Prazosin; Rabbits; Radioligand Assay; Receptors, Adrenergic, alpha; Tetralones; Yohimbine | 1985 |
alpha-Adrenoceptor-effector coupling: affinity states or heterogeneity of the alpha 2-adrenoceptor?
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Binding Sites; Blood Platelets; Cerebral Cortex; Humans; Kidney; Prazosin; Rabbits; Radioligand Assay; Rats; Receptors, Adrenergic, alpha; Yohimbine | 1985 |
Ca2+ sources mobilized by alpha 1-receptor activation in vascular smooth muscle.
Topics: Adrenergic alpha-Agonists; Animals; Aorta; Calcium; Mesenteric Arteries; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Yohimbine | 1985 |
Lack of differential inhibition by nifedipine of pressor responses induced by alpha 1- and alpha 2-adrenoceptor agonists and by angiotensin II in anaesthetized cats.
Topics: Adrenergic alpha-Agonists; Angiotensin II; Animals; Blood Pressure; Cats; Doxazosin; Male; Muscle, Smooth, Vascular; Nifedipine; Nordefrin; Phenylephrine; Prazosin; Vasoconstriction; Yohimbine | 1985 |
Electrophysiological manifestation of luteinizing hormone-releasing hormone pulse generator activity in the rhesus monkey: influence of alpha-adrenergic and dopaminergic blocking agents.
Topics: Adrenergic alpha-Antagonists; Animals; Dopamine Antagonists; Electrophysiology; Female; Gonadotropin-Releasing Hormone; Macaca; Macaca mulatta; Metoclopramide; Phenoxybenzamine; Phentolamine; Prazosin; Yohimbine | 1985 |
Enhancement of alpha-1 and alpha-2 adrenergic agonist-induced vasoconstriction by removal of endothelium in rat aorta.
Topics: Adrenergic alpha-Agonists; Animals; Aorta, Thoracic; Azepines; Calcium Chloride; Clonidine; Endothelium; In Vitro Techniques; Male; Methoxamine; Norepinephrine; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Vasoconstriction; Yohimbine | 1985 |
Pharmacological characterization of postsynaptic alpha-adrenoceptor subtypes in five different dog arteries in-vitro.
Topics: Animals; Antihypertensive Agents; Arteries; Brimonidine Tartrate; Cocaine; Dogs; In Vitro Techniques; Muscle, Smooth, Vascular; Phenylephrine; Prazosin; Propiophenones; Propranolol; Quinoxalines; Receptors, Adrenergic, alpha; Receptors, Neurotransmitter; Yohimbine | 1985 |
Postjunctional alpha-adrenoceptors and influence of angiotensin II in different isolated blood vessels.
Topics: Adrenergic alpha-Agonists; Angiotensin II; Animals; Aorta; Azepines; Female; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Phenylephrine; Prazosin; Rabbits; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Veins; Vena Cava, Inferior; Yohimbine | 1985 |
Effects of some alpha-adrenoceptor antagonists on central cardio-decelerator mechanisms in the rabbit.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Pressure; Brain Stem; Female; Heart Rate; Hypothalamus, Posterior; Injections, Intravenous; Injections, Intraventricular; Male; Neurons, Afferent; Phenoxybenzamine; Prazosin; Pressoreceptors; Rabbits; Reflex; Time Factors; Yohimbine | 1985 |
Influence of alpha-adrenergic blockade on platelet-mediated thrombosis in stenosed canine coronary arteries.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Flow Velocity; Blood Platelets; Blood Pressure; Coronary Circulation; Coronary Disease; Dogs; Dose-Response Relationship, Drug; Epinephrine; Female; Heart Rate; Male; Norepinephrine; Phentolamine; Platelet Aggregation; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 1985 |
Effect of methoxamine on spontaneous motility of the isolated rat uterus.
Topics: Adrenergic alpha-Agonists; Animals; Dose-Response Relationship, Drug; Female; Hexestrol; Methoxamine; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Reserpine; Uterine Contraction; Uterus; Yohimbine | 1985 |
Influence of extracellular calcium and nifedipine on alpha 1- and alpha 2-adrenoceptor-mediated contractile responses in isolated rat and cat cerebral and mesenteric arteries.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Calcium; Cats; Cerebral Arteries; Cocaine; Mesenteric Arteries; Muscle Contraction; Muscle, Smooth, Vascular; Nifedipine; Norepinephrine; Potassium; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Sodium; Yohimbine | 1985 |
Activation of phosphatidylinositol turnover in rat aorta by alpha 1-adrenergic receptor stimulation.
Topics: Adrenergic alpha-Agonists; Animals; Aorta; Biotransformation; In Vitro Techniques; Male; Muscle, Smooth, Vascular; Nifedipine; Phosphatidylinositols; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1985 |
Alpha-adrenergic antagonists: correlation of the effect on intraocular pressure and on alpha 2-adrenergic receptor binding specificity in the rabbit eye.
Topics: Adrenergic alpha-Antagonists; Animals; Ciliary Body; Dioxanes; Intraocular Pressure; Iris; Membranes; Moxisylyte; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Time Factors; Yohimbine | 1985 |
Sodium chloride-induced partial inhibition in vivo of alpha 2-adrenoceptor agonist function.
Topics: Adrenergic alpha-Agonists; Animals; Blood Pressure; Clonidine; Male; Mannitol; Nephrectomy; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sodium Chloride; Yohimbine | 1985 |
Peripheral cardiovascular alpha- and beta-adrenergic effects of some hypotensive and bradycardic arylalkyl imidazole derivatives in the rat.
Topics: Animals; Antihypertensive Agents; Blood Pressure; Cardiotonic Agents; Cardiovascular System; Clonidine; Decerebrate State; Dose-Response Relationship, Drug; Electric Stimulation; Female; Heart; Imidazoles; In Vitro Techniques; Male; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Yohimbine | 1985 |
Alpha-adrenergic agonist and antagonist activity of dihydroergotoxine in rats.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Anesthesia; Animals; Dihydroergotoxine; Electric Stimulation; Heart Rate; Hemodynamics; Male; Methysergide; Nifedipine; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Spinal Cord; Yohimbine | 1985 |
Photoaffinity labeling of the DDT1 MF-2 cell alpha 1-adrenergic receptor.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Affinity Labels; Animals; Azides; Cell Line; Muscle, Smooth; Photochemistry; Prazosin; Quinazolines; Receptors, Adrenergic, alpha; Yohimbine | 1985 |
Characterization of two distinct alpha-adrenoceptor binding sites in smooth muscle cell membranes from rat and bovine aorta.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Aorta; Binding, Competitive; Cattle; In Vitro Techniques; Kinetics; Muscle, Smooth, Vascular; Prazosin; Rats; Receptors, Adrenergic, alpha; Sarcolemma; Yohimbine | 1985 |
Sexual excitement and stretching and yawning induced by B-HT 920.
Topics: Adrenergic alpha-Agonists; Animals; Azepines; Behavior, Animal; Haloperidol; Humans; Male; Penis; Prazosin; Rats; Rats, Inbred Strains; Receptors, Dopamine; Sexual Behavior, Animal; Stereotyped Behavior; Sulpiride; Yohimbine | 1985 |
Pharmacological characterization of alpha-adrenergic receptor subtypes mediating contraction in human mesenteric arteries and veins.
Topics: Adrenergic alpha-Agonists; Adult; Aged; Clonidine; Drug Interactions; Female; Humans; Male; Mesenteric Arteries; Mesenteric Veins; Middle Aged; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Oxymetazoline; Phentolamine; Prazosin; Vasodilation; Yohimbine | 1985 |
Neuronally released norepinephrine does not preferentially activate postjunctional alpha 1-adrenoceptors in human blood vessels in vitro.
Topics: Adrenergic alpha-Antagonists; Blood Vessels; Humans; In Vitro Techniques; Norepinephrine; Phenethylamines; Prazosin; Receptors, Adrenergic, alpha; Tetralones; Yohimbine | 1985 |
Blockade of alpha 2-adrenoceptors prevents the growth hormone releasing effect of FK 33-824 in the dog.
Topics: Adrenergic alpha-Antagonists; Animals; D-Ala(2),MePhe(4),Met(0)-ol-enkephalin; Dogs; Drug Interactions; Female; Growth Hormone; Male; Prazosin; Yohimbine | 1985 |
Existence of two types of postjunctional alpha adrenoceptors in the isolated canine intermediate auricular artery.
Topics: Adrenergic alpha-Agonists; Animals; Arteries; Dogs; Ear; Female; In Vitro Techniques; Male; Prazosin; Receptors, Adrenergic, alpha; Skin; Vasoconstriction; Yohimbine | 1985 |
Undifferentiated effects of calcium antagonists on pressor responses to selective alpha-1 and alpha-2 adrenoceptor agonists in anesthetized, spinal dogs.
Topics: Adrenergic alpha-Agonists; Anesthesia; Animals; Blood Pressure; Calcium Channel Blockers; Dogs; Female; Male; Methoxamine; Prazosin; Receptors, Adrenergic, alpha; Spinal Cord; Vasoconstriction; Xylazine; Yohimbine | 1985 |
Effect of various catecholamine antagonists on prolactin secretion in conscious male rabbits.
Topics: Animals; Antipsychotic Agents; Benzamides; Catecholamines; Chlorpromazine; Consciousness; Haloperidol; Male; Metoprolol; Pimozide; Prazosin; Prolactin; Propranolol; Rabbits; Radioimmunoassay; Yohimbine | 1985 |
Comparison of activity of alpha-adrenoceptor agonists and antagonists in dog and rabbit saphenous vein.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Prazosin; Rabbits; Saphenous Vein; Species Specificity; Yohimbine | 1985 |
Evidence for existence of postjunctional alpha 1- and alpha 2-adrenoceptors in cat pulmonary vascular bed.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Azepines; Brimonidine Tartrate; Cats; Female; Male; Methoxamine; Norepinephrine; Phenylephrine; Prazosin; Propranolol; Pulmonary Artery; Pulmonary Veins; Quinoxalines; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1985 |
Arylazide photoaffinity probe for alpha 2-adrenoceptors.
Topics: Absorption; Adrenergic alpha-Antagonists; Benzazepines; Binding, Competitive; Blood Platelets; Clonidine; Humans; Membranes; Phentolamine; Photolysis; Prazosin; Receptors, Adrenergic, alpha; Tritium; Ultraviolet Rays; Yohimbine | 1985 |
Modification by desipramine of the effects of alpha-adrenoceptor antagonists on the contractile responses of the trisected rat vas deferens.
Topics: Adrenergic alpha-Antagonists; Animals; Desipramine; Electric Stimulation; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth; Neurotransmitter Uptake Inhibitors; Norepinephrine; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Vas Deferens; Yohimbine | 1985 |
Effects of blockades of alpha and beta adrenoceptors and dopamine receptors on renal nerve stimulation-induced prostaglandin E2 and renin release in anesthetized dogs.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Dinoprostone; Dogs; Electric Stimulation; Female; Hemodynamics; Kidney; Male; Prazosin; Propranolol; Prostaglandins E; Receptors, Dopamine; Renin; Sulpiride; Yohimbine | 1985 |
Effects of guanine nucleotides and cations on agonist affinity of alpha 1-adrenoceptors in brown adipose tissue.
Topics: Adipose Tissue, Brown; Adrenergic alpha-Agonists; Animals; Buffers; Cations; Cricetinae; Guanine Nucleotides; Guanosine Triphosphate; In Vitro Techniques; Magnesium; Membranes; Mesocricetus; Prazosin; Receptors, Adrenergic, alpha; Sodium; Yohimbine | 1985 |
Alpha 1-adrenergic blockade increases coronary blood flow during coronary hypoperfusion.
Topics: Adrenergic alpha-Antagonists; Animals; Clonidine; Coronary Circulation; Dogs; Drug Synergism; Female; Male; Methoxamine; Perfusion; Prazosin; Propranolol; Yohimbine | 1985 |
Mechanism of action of apomorphine on rat gastric secretion.
Topics: Adrenergic beta-Antagonists; Animals; Antipsychotic Agents; Apomorphine; Atenolol; Drug Interactions; Gastric Acid; Gastric Mucosa; Male; Prazosin; Propanolamines; Rats; Rats, Inbred Strains; Receptors, Dopamine; Time Factors; Yohimbine | 1985 |
Effects of alpha-adrenoceptor agonists and antagonists on insulin secreting cells and pancreatic blood vessels: comparative study.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Blood Flow Velocity; Clonidine; In Vitro Techniques; Insulin; Insulin Secretion; Islets of Langerhans; Pancreas; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Vasoconstriction; Yohimbine | 1985 |
Inhibition of the cholinergic neurotransmission in human airways via prejunctional alpha-2-adrenoceptors.
Topics: Acetylcholine; Adrenergic alpha-Antagonists; Adult; Aged; Bronchi; Cholinergic Fibers; Cocaine; Electric Stimulation; Humans; In Vitro Techniques; Lung; Middle Aged; Muscle Contraction; Muscle, Smooth; Norepinephrine; Prazosin; Propranolol; Synaptic Transmission; Yohimbine | 1985 |
Alpha adrenergic receptors in the rabbit bladder base smooth muscle: alpha-1 adrenergic receptors mediate contractile responses.
Topics: Adrenergic alpha-Agonists; Animals; Dose-Response Relationship, Drug; Female; In Vitro Techniques; Iodine Radioisotopes; Muscle Contraction; Phenethylamines; Prazosin; Rabbits; Radioligand Assay; Receptors, Adrenergic, alpha; Tetralones; Urinary Bladder; Yohimbine | 1986 |
Imidazole has similar behavioural effects to yohimbine.
Topics: Adrenergic alpha-Agonists; Animals; Animals, Newborn; Azepines; Behavior, Animal; Body Temperature; Chickens; Clonidine; Haloperidol; Hypnotics and Sedatives; Imidazoles; Male; Penile Erection; Prazosin; Rats; Sexual Behavior, Animal; Sleep; Time Factors; Yohimbine | 1986 |
Phenoxybenzamine partially inhibits alpha 2-adrenoceptors without affecting their presynaptic function.
Topics: Adrenergic alpha-Antagonists; Animals; Brain; Clonidine; In Vitro Techniques; Male; Phenoxybenzamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1986 |
Effects of alpha-adrenoceptor subtype-selective antagonists on the human saphenous vein in vivo.
Topics: Adrenergic alpha-Antagonists; Adult; Humans; Male; Norepinephrine; Prazosin; Saphenous Vein; Vasoconstriction; Yohimbine | 1986 |
Alpha 1- and alpha 2-adrenoceptors in the smooth muscle of male and female rabbit urethra.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Female; In Vitro Techniques; Male; Membranes; Muscle, Smooth; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Sex Factors; Urethra; Yohimbine | 1986 |
Characterization of inhibition of the spinal nociceptive tail-flick reflex in the rat from the medullary lateral reticular nucleus.
Topics: Animals; Atropine; Blood Pressure; Electric Stimulation; Glutamates; Glutamic Acid; Haloperidol; Injections, Spinal; Male; Methysergide; Microinjections; Naloxone; Nociceptors; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Reflex; Reticular Formation; Spinal Cord; Yohimbine | 1986 |
Studies on the receptor profile of bisoprolol.
Topics: Adrenergic beta-Antagonists; Animals; Binding, Competitive; Bisoprolol; Cattle; Dihydroalprenolol; Domperidone; Humans; In Vitro Techniques; Ketanserin; Male; Piperidines; Prazosin; Propanolamines; Quinuclidinyl Benzilate; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Receptors, Dopamine; Receptors, Histamine; Receptors, Muscarinic; Spiperone; Tetrahydronaphthalenes; Yohimbine | 1986 |
Altered renal alpha-adrenoceptor regulation in DOCA-salt rats: chronic effects of alpha 1- and alpha 2-receptor blockers.
Topics: Adrenergic alpha-Antagonists; Animals; Binding Sites; Blood Pressure; Desoxycorticosterone; Hypertension; Kidney; Male; Prazosin; Radioligand Assay; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sodium Chloride; Yohimbine | 1986 |
Effect of alpha-adrenoceptor blockade on sleep and wakefulness in the rat.
Topics: Adrenergic alpha-Antagonists; Animals; Electroencephalography; Male; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Sleep; Sleep, REM; Wakefulness; Yohimbine | 1986 |
Presynaptic alpha-adrenoceptor mediated inhibition of the neurogenic cholinergic contraction in the isolated intestinal bulb of the carp (Cyprinus carpio).
Topics: Animals; Atropine; Carps; Catecholamines; Clonidine; Cyprinidae; Electric Stimulation; Epinephrine; Female; In Vitro Techniques; Male; Methoxamine; Muscle Contraction; Muscle, Smooth; Nicotine; Norepinephrine; Parasympathetic Nervous System; Phentolamine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Tetrodotoxin; Yohimbine | 1986 |
Enhancement of alpha- and beta-adrenoceptor responses by elevations in vascular tone in pulmonary circulation.
Topics: Adrenergic alpha-Agonists; Adrenergic beta-Antagonists; Animals; Brimonidine Tartrate; Cats; Female; Male; Muscle Tonus; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Prazosin; Propanolamines; Pulmonary Circulation; Quinoxalines; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Yohimbine | 1986 |
Alpha-2 adrenergic agonists inhibit basal and stimulated osmotic water permeability in toad skin.
Topics: Adrenergic alpha-Agonists; Animals; Bufo arenarum; Clonidine; Female; In Vitro Techniques; Male; Norepinephrine; Osmolar Concentration; Oxytocin; Permeability; Prazosin; Propranolol; Skin; Skin Physiological Phenomena; Water; Yohimbine | 1986 |
Alpha adrenoceptor antagonists selectively reduce thrombin-stimulated contraction in rabbit arteries.
Topics: Adrenergic alpha-Antagonists; Animals; Antithrombins; Arteries; Dose-Response Relationship, Drug; Endothelium; In Vitro Techniques; Male; Norepinephrine; Phentolamine; Prazosin; Rabbits; Reserpine; Thrombin; Vasoconstriction; Yohimbine | 1986 |
L-654,284 a new potent and selective alpha 2-adrenoceptor antagonist.
Topics: Adrenergic alpha-Antagonists; Animals; Cattle; Cerebral Cortex; Clonidine; Decerebrate State; Dihydroxyphenylalanine; Male; Mydriatics; Prazosin; Quinolizines; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Time Factors; Vas Deferens; Yohimbine | 1986 |
Evidence that alpha-1-adrenergic stimuli specifically increase gluconeogenesis of the isolated proximal convoluted tubule in the rat.
Topics: Adrenergic alpha-Agonists; Animals; Gluconeogenesis; Kidney Tubules, Proximal; Male; Methoxamine; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1986 |
Pharmacological characterization of the postsynaptic alpha-adrenoceptors in human uterine artery.
Topics: Arteries; Clonidine; Drug Interactions; Female; Humans; Kinetics; Naphazoline; Norepinephrine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Uterus; Vasoconstriction; Yohimbine | 1986 |
Heterogeneity between soluble human and rabbit splenic alpha 2-adrenoceptors.
Topics: Adrenergic alpha-Antagonists; Animals; Brimonidine Tartrate; Dioxanes; Epinephrine; Humans; Idazoxan; Lectins; Oxymetazoline; Phentolamine; Prazosin; Quinolizines; Quinoxalines; Rabbits; Receptors, Adrenergic, alpha; Solubility; Spleen; Sulfhydryl Reagents; Yohimbine | 1986 |
Postsynaptic alpha 1- and alpha 2-adrenergic receptors in adrenergic control of capacitance vessel tone in vivo.
Topics: Adrenergic alpha-Antagonists; Animals; Antihypertensive Agents; Blood Pressure; Blood Volume; Brimonidine Tartrate; Compliance; Dogs; Female; Male; Methoxamine; Norepinephrine; Prazosin; Quinoxalines; Receptors, Adrenergic, alpha; Splanchnic Circulation; Splenectomy; Tyramine; Vasoconstriction; Yohimbine | 1986 |
Possible involvement of presynaptic alpha 1-adrenoceptors in the effects of idazoxan and prazosin on 3H-noradrenaline release from tail arteries of SHR.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Pressure; Clonidine; Dioxanes; Dioxins; Electric Stimulation; Idazoxan; Male; Methoxamine; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Rats; Rats, Inbred SHR; Receptors, Adrenergic, alpha; Yohimbine | 1986 |
5-Methoxy-N,N-dimethyltryptamine-induced analgesia is blocked by alpha-adrenoceptor antagonists in rats.
Topics: Adrenergic alpha-Antagonists; Analgesics; Animals; Male; Methoxydimethyltryptamines; Nociceptors; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Reaction Time; Serotonin; Yohimbine | 1986 |
Evaluation of alpha-adrenergic cardiac stimulation in anesthetized dogs: can this play a role in propranolol insensitive cardiostimulatory effects of celiprolol.
Topics: Adrenergic beta-Antagonists; Animals; Blood Pressure; Celiprolol; Dogs; Heart; Heart Rate; Male; Myocardial Contraction; Phentolamine; Prazosin; Propanolamines; Propranolol; Receptors, Adrenergic, alpha; Yohimbine | 1986 |
Pharmacological characterization of spinal alpha adrenoceptors related to blood pressure control in rats.
Topics: Adrenergic alpha-Antagonists; Animals; Azepines; Blood Pressure; Brain Stem; Clonidine; Dopamine; Guanabenz; Hydroxydopamines; Injections, Spinal; Male; Norepinephrine; Oxidopamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Spinal Cord; Yohimbine | 1987 |
In vivo analysis of alpha-adrenoceptors in pial veins of cats.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Cats; Cerebral Veins; Oxymetazoline; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1986 |
The blood pressure effects of alpha-adrenoceptor antagonists injected in the medullary site of action of clonidine: the nucleus reticularis lateralis.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Pressure; Cats; Clonidine; Dioxanes; Female; Idazoxan; Isoquinolines; Male; Medulla Oblongata; Piperazines; Prazosin; Yohimbine | 1987 |
Electrical stimulation in perifornical lateral hypothalamus decreases coronary blood flow in cats.
Topics: Adrenergic beta-Antagonists; Animals; Cats; Coronary Circulation; Female; Ganglia, Sympathetic; Hypothalamus; Male; Phenylephrine; Prazosin; Regional Blood Flow; Vascular Resistance; Vasoconstriction; Yohimbine | 1987 |
Pharmacological manipulations of alpha-adrenoceptors in the infant rat and effects on growth hormone secretion. Study of the underlying mechanisms of action.
Topics: Animals; Animals, Newborn; Clonidine; Female; Gonadotropin-Releasing Hormone; Growth Hormone; Immune Sera; Male; Methoxamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Somatostatin; Yohimbine | 1987 |
[Alpha-adrenoceptor blocking action of terazosin].
Topics: Adrenergic alpha-Antagonists; Animals; Antihypertensive Agents; Aorta; Decerebrate State; Heart Rate; Male; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Vasodilator Agents; Yohimbine | 1986 |
Adrenergic receptor subtype activation by (+)-, (-)- and (+/-)-norephedrine in the pithed rat.
Topics: Animals; Blood Pressure; Cardiovascular System; Decerebrate State; Heart Rate; Isomerism; Male; Phenoxybenzamine; Phenylpropanolamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Reserpine; Vasoconstriction; Yohimbine | 1987 |
Effects of alpha 1- and alpha 2-adrenoceptor stimulation and blockade on plasma insulin levels in the mouse.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Carbachol; Clonidine; Female; Glucose; Insulin; Insulin Secretion; Mice; Phenylephrine; Prazosin; Radioimmunoassay; Receptors, Adrenergic, alpha; Yohimbine | 1986 |
Modulation of postdecapitation convulsions in rats by alpha-adrenergic and 5-hydroxytryptamine1A agents.
Topics: 8-Hydroxy-2-(di-n-propylamino)tetralin; Adrenergic alpha-Agonists; Animals; Buspirone; Death; Dioxanes; Male; Prazosin; Pyrimidines; Radioligand Assay; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Serotonin; Seizures; Serotonin; Tetrahydronaphthalenes; Yohimbine | 1987 |
Pharmacological characterization of the postsynaptic alpha-adrenoceptors in isolated canine mesenteric arteries and veins.
Topics: Adrenergic alpha-Antagonists; Animals; Antihypertensive Agents; Brimonidine Tartrate; Dogs; Dopamine; Female; In Vitro Techniques; Male; Mesenteric Arteries; Mesenteric Veins; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Prazosin; Quinoxalines; Receptors, Adrenergic, alpha; Synapses; Yohimbine | 1987 |
Evidence that locus coeruleus is the site where clonidine and drugs acting at alpha 1- and alpha 2-adrenoceptors affect sleep and arousal mechanisms.
Topics: Adrenergic alpha-Antagonists; Animals; Arousal; Clonidine; Electroencephalography; Injections, Intraventricular; Locus Coeruleus; Male; Methoxamine; Microinjections; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sleep; Yohimbine | 1987 |
Mediation of separation distress by alpha 2-adrenergic mechanisms in a non-human primate.
Topics: Adrenergic alpha-Agonists; Animals; Anxiety, Separation; Clonidine; Imipramine; Male; Prazosin; Receptors, Adrenergic, alpha; Saimiri; Vocalization, Animal; Yohimbine | 1987 |
Prazosin-induced alterations in renal alpha-adrenergic receptor function.
Topics: Adrenergic beta-Agonists; Animals; Cocaine; Electric Stimulation; Hypotension; In Vitro Techniques; Kidney; Male; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Renal Circulation; Tachycardia; Vascular Resistance; Vasoconstriction; Yohimbine | 1987 |
Role of alpha 1- and alpha 2-adrenergic receptors in the human hypertensive kidney.
Topics: Adrenergic alpha-Antagonists; Adult; Doxazosin; Humans; Hypertension; Kidney; Middle Aged; Prazosin; Receptors, Adrenergic, alpha; Renal Circulation; Renin; Yohimbine | 1987 |
Alpha-1 adrenergic receptor binding in aortas from rat and dog: comparison of [3H]prazosin and beta-iodo-[125I]-4-hydroxyphenyl-ethyl-aminomethyl-tetralone.
Topics: Adrenergic alpha-Antagonists; Animals; Aorta; Dogs; Kinetics; Phenethylamines; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Tetralones; Yohimbine | 1987 |
Alpha 2-adrenoceptor-mediated responses to so-called selective alpha 1-adrenoceptor agonists after partial blockade of alpha 1-adrenoceptors.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Brimonidine Tartrate; Dogs; Drug Interactions; In Vitro Techniques; Methoxamine; Muscle Contraction; Muscle, Smooth, Vascular; Phenoxybenzamine; Phenylephrine; Prazosin; Quinoxalines; Receptors, Adrenergic, alpha; Verapamil; Yohimbine | 1987 |
Effects of adrenoceptor antagonists on vagally induced gastric and duodenal HCO3- secretions in the cat.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Bicarbonates; Cats; Duodenum; Electric Stimulation; Female; Gastric Acid; Intestinal Secretions; Male; Prazosin; Propranolol; Splanchnic Nerves; Vagus Nerve; Yohimbine | 1987 |
Synergistic action of postsynaptic alpha-adrenergic receptor stimulation on vasoactive intestinal polypeptide-induced increases in pineal N-acetyltransferase activity.
Topics: Acetyltransferases; Adrenergic alpha-Agonists; Animals; Arylamine N-Acetyltransferase; Atenolol; Clonidine; Cyclic AMP; Dose-Response Relationship, Drug; Drug Synergism; Male; Methoxamine; Phenoxybenzamine; Phentolamine; Phenylephrine; Pineal Gland; Prazosin; Propranolol; Rats; Rats, Inbred F344; Receptors, Adrenergic, alpha; Vasoactive Intestinal Peptide; Yohimbine | 1987 |
Effects of DJ-7141, a new peripherally acting alpha-2 adrenoceptor agonist, on blood pressure and gastric acid output in rats: evidence for the heterogeneity of alpha-2 adrenoceptors in different organs.
Topics: Adrenergic alpha-Agonists; Animals; Blood Pressure; Clonidine; Gastric Acid; Imidazoles; Male; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Splanchnic Nerves; Yohimbine | 1987 |
Spinal monoaminergic receptors mediate the antinociception produced by glutamate in the medullary lateral reticular nucleus.
Topics: Animals; Electric Stimulation; Glutamates; Glutamic Acid; Hot Temperature; Male; Methysergide; Microinjections; Naloxone; Nociceptors; Pain; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Serotonin; Reticular Formation; Yohimbine | 1987 |
Effects of alpha-adrenoceptor antagonists on the mydriatic and bradycardic effects of detomidine.
Topics: Adrenergic alpha-Antagonists; Animals; Heart Rate; Hypnotics and Sedatives; Imidazoles; Injections, Intravenous; Male; Mydriatics; Prazosin; Rats; Rats, Inbred Strains; Tolazoline; Yohimbine | 1987 |
Alpha-adrenergic inhibition of rat cerebellar Purkinje cells in vitro: a voltage-clamp study.
Topics: Adrenergic alpha-Agonists; Animals; Cadmium; Calcium; Calcium Channel Blockers; Cerebellum; Clonidine; Electric Conductivity; Membrane Potentials; Phentolamine; Prazosin; Purkinje Cells; Rats; Tetrodotoxin; Yohimbine | 1987 |
Postsynaptic effects of alpha agonists on adrenoceptors of the reserpinized rat vas deferens.
Topics: Adrenergic alpha-Agonists; Animals; Clonidine; Drug Interactions; In Vitro Techniques; Male; Methoxamine; Muscle, Smooth; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Reserpine; Vas Deferens; Yohimbine | 1987 |
Mechanical and electrical responses to alpha-adrenoceptor activation in the circular muscle of guinea-pig stomach.
Topics: Adrenergic alpha-Agonists; Animals; Catecholamines; Female; Guinea Pigs; In Vitro Techniques; Male; Membrane Potentials; Muscle Contraction; Muscle, Smooth; Prazosin; Propranolol; Receptors, Adrenergic, alpha; Stomach; Yohimbine | 1987 |
Comparative effects of rauwolscine, prazosin, and phentolamine on blood pressure and cardiac output in anesthetized rats.
Topics: Adrenergic alpha-Agonists; Animals; Azepines; Blood Pressure; Cardiac Output; Epinephrine; Heart Rate; Methoxamine; Norepinephrine; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Regional Blood Flow; Vascular Resistance; Yohimbine | 1987 |
Involvement of alpha-1 and alpha-2 adrenoceptors in the postlaparotomy intestinal motor disturbances in the rat.
Topics: Adrenergic alpha-Antagonists; Animals; Digestive System; Digestive System Physiological Phenomena; Gastrointestinal Motility; Laparotomy; Male; Neural Conduction; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Yohimbine | 1987 |
In vitro study of alpha 2-adrenoceptor turnover and metabolism using the adenocarcinoma cell line HT29.
Topics: Adenocarcinoma; Adenylyl Cyclases; Adrenergic alpha-Antagonists; Animals; Cell Line; Cell Membrane; Colonic Neoplasms; Cyclic AMP; Cystamine; Kinetics; Phenoxybenzamine; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 1987 |
Is there a role for renal alpha 2-adrenoceptors in the pathogenesis of hypertension?
Topics: Adrenergic alpha-Agonists; Animals; Clonidine; Gluconeogenesis; Guanfacine; Guanidines; Hypertension; In Vitro Techniques; Kidney; Methoxamine; Norepinephrine; Parathyroid Glands; Phenylacetates; Prazosin; Pyruvates; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Renal Circulation; Vascular Resistance; Yohimbine | 1987 |
In situ analysis of alpha-adrenoceptors on arteriolar and venular smooth muscle in rat skeletal muscle microcirculation.
Topics: Adrenergic alpha-Antagonists; Animals; Arterioles; Male; Microcirculation; Muscle, Smooth, Vascular; Muscles; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1988 |
[Chronic effect of prazosin and yohimbine on the renal epinephrine content of DOCA-sodium and SHR-hypertensive rats].
Topics: Adrenergic alpha-Antagonists; Animals; Desoxycorticosterone; Epinephrine; Hypertension; Kidney; Prazosin; Rats; Rats, Inbred SHR; Rats, Inbred Strains; Sodium Chloride; Yohimbine | 1987 |
Evidence for central alpha 2-adrenoceptor-mediated hypertension in freely moving, normotensive rats.
Topics: Adrenergic alpha-Agonists; Anesthesia, General; Animals; Blood Pressure; Brain; Dose-Response Relationship, Drug; Injections, Intravenous; Injections, Intraventricular; Male; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1987 |
Effect of alpha-adrenergic and serotonergic blockers on the acute irritative response in the rabbit eye.
Topics: Adrenergic alpha-Antagonists; Animals; Aqueous Humor; Blood Pressure; Eye Diseases; Eye Proteins; Female; Formaldehyde; Intraocular Pressure; Ketanserin; Male; Methysergide; Phentolamine; Prazosin; Pupil; Rabbits; Serotonin Antagonists; Yohimbine | 1987 |
Postnatal treatment of rats with adrenergic receptor agonists or antagonists influences differentiation of sexual behavior.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Animals, Newborn; Body Weight; Clonidine; Female; Male; Organ Size; Ovariectomy; Ovary; Posture; Prazosin; Rats; Rats, Inbred Strains; Sex Characteristics; Sexual Behavior, Animal; Testosterone; Yohimbine | 1987 |
Contractile responses to adrenergic nerve stimulation are enhanced with removal of endothelium in rat caudal artery.
Topics: Adrenergic alpha-Agonists; Animals; Azepines; Electric Stimulation; Endothelium, Vascular; Hydroxydopamines; Male; Methoxamine; Muscle Contraction; Muscle, Smooth, Vascular; Oxidopamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sympathetic Nervous System; Tetrodotoxin; Yohimbine | 1988 |
The adrenergic agonist tizanidine has differential effects on flexor reflexes of intact and spinalized rat.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Clonidine; Decerebrate State; Dose-Response Relationship, Drug; Electromyography; Muscle Contraction; Prazosin; Reaction Time; Reflex; Spinal Cord; Yohimbine | 1987 |
Characterization of alpha-adrenoceptors mediating sympathetic vasoconstriction in rat autoperfused hindlimb: effects of SK&F 104078.
Topics: Adrenergic alpha-Antagonists; Animals; Azepines; Benzazepines; Male; Methoxamine; Perfusion; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sympathetic Nervous System; Synaptic Transmission; Vasoconstriction; Yohimbine | 1987 |
Electrogenic and electroneutral components of the sympathetic effect on fluid absorption in the rat jejunum.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Blood Pressure; Electric Conductivity; Electric Stimulation; In Vitro Techniques; Intestinal Absorption; Jejunum; Male; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Splanchnic Nerves; Sympathetic Nervous System; Yohimbine | 1987 |
Direct effects of alpha 2-adrenergic receptor stimulation on intravascular systemic capacity in the dog.
Topics: Adrenergic alpha-Agonists; Animals; Azepines; Blood Volume; Brimonidine Tartrate; Cardiopulmonary Bypass; Central Venous Pressure; Dogs; Hepatic Veins; Prazosin; Quinoxalines; Receptors, Adrenergic, alpha; Tachyphylaxis; Vascular Resistance; Yohimbine | 1988 |
Blocking action of berberine on alpha 2- and alpha 1-adrenoceptors in rat vas deferens and anococcygeus muscle.
Topics: Adrenergic alpha-Antagonists; Anal Canal; Animals; Berberine; Berberine Alkaloids; Clonidine; Dose-Response Relationship, Drug; Male; Muscle, Smooth; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Vas Deferens; Yohimbine | 1987 |
Prejunctional alpha 2-adrenergic properties of S-3341 (dicyclopropylmethyl)amino-2-delta-2-oxazoline: a comparison with clonidine.
Topics: Adrenergic alpha-Agonists; Animals; Clonidine; Electric Stimulation; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth; Neuromuscular Junction; Oxazoles; Prazosin; Rats; Rats, Inbred WKY; Rilmenidine; Vas Deferens; Yohimbine | 1987 |
Agonist profile of ergometrine (ergonovine) on a population of postsynaptic alpha-adrenoceptors.
Topics: Adrenergic alpha-Antagonists; Animals; Ergonovine; Male; Mice; Phentolamine; Prazosin; Receptors, Adrenergic, alpha; Synapses; Yohimbine | 1988 |
Effects of five alpha-blockers on the hypogastric nerve stimulation of the canine lower urinary tract.
Topics: Adrenergic alpha-Antagonists; Animals; Dogs; Electric Stimulation; Hypogastric Plexus; Male; Moxisylyte; Phenoxybenzamine; Phentolamine; Prazosin; Pressure; Receptors, Adrenergic, alpha; Urethra; Urinary Bladder; Urination Disorders; Yohimbine | 1988 |
Alpha 2-agonists block ADH action in toad bladder and this inhibition is not modified by indomethacin.
Topics: Adrenergic alpha-Agonists; Animals; Body Water; Bufonidae; Epinephrine; Guanabenz; Indomethacin; Male; Prazosin; Propranolol; Urinary Bladder; Vasopressins; Yohimbine | 1988 |
Comparative effects of alpha-1 and alpha-2 adrenoceptors in modulation of coronary flow during exercise.
Topics: Adrenergic alpha-Antagonists; Animals; Coronary Circulation; Dogs; Female; Hemodynamics; Injections, Intra-Arterial; Male; Myocardial Contraction; Physical Exertion; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 1988 |
Precontraction-induced contractile response of isolated canine portal vein to alpha-2 adrenoceptor agonists.
Topics: Adrenergic alpha-Agonists; Animals; Azepines; Calcimycin; Cats; Clonidine; Female; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Portal Vein; Prazosin; Yohimbine | 1988 |
Antagonism of clonidine-induced hypothermia by alpha adrenoceptor antagonists in electrically stimulated mice.
Topics: Adrenergic alpha-Antagonists; Animals; Body Temperature; Clonidine; Electroshock; Fever; Male; Mice; Mice, Inbred Strains; Phenoxybenzamine; Prazosin; Yeasts; Yohimbine | 1988 |
Evidence for heterogeneity between pre- and postjunctional alpha-2 adrenoceptors using 9-substituted 3-benzazepines.
Topics: Adrenergic alpha-Antagonists; Animals; Benzazepines; Guinea Pigs; Humans; In Vitro Techniques; Male; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Species Specificity; Yohimbine | 1988 |
Release of [3H]-noradrenaline from the sympathetic nerves to bovine mesenteric lymphatic vessels and its modification by alpha-agonists and antagonists.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Calcium; Cattle; Clonidine; Cocaine; Electric Stimulation; Feedback; Lymphatic System; Mesentery; Norepinephrine; Phentolamine; Phenylephrine; Prazosin; Sympathetic Nervous System; Tetrodotoxin; Xylazine; Yohimbine | 1988 |
Inhibition of cyclic AMP production by alpha 2-adrenoceptor stimulation in the guinea-pig spinal cord slices.
Topics: Adrenergic alpha-Agonists; Animals; Antihypertensive Agents; Brimonidine Tartrate; Colforsin; Cyclic AMP; Guinea Pigs; In Vitro Techniques; Male; Prazosin; Quinoxalines; Spinal Cord; Yohimbine | 1988 |
alpha-Adrenoceptors and cold-induced vasoconstriction in human finger skin.
Topics: Adrenergic alpha-Agonists; Azepines; Cold Temperature; Doxazosin; Fingers; Humans; Male; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Regional Blood Flow; Skin; Vasoconstriction; Yohimbine | 1988 |
Enhanced vascular alpha-adrenergic neuroeffector system in diabetes: importance of calcium.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Calcium; Clonidine; Diabetes Mellitus, Experimental; Electric Stimulation; Endothelium, Vascular; Guanabenz; Male; Mesenteric Arteries; Methoxamine; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1988 |
Loss of selectivity of so-called selective alpha 1-adrenoceptor agonists after phenoxybenzamine.
Topics: Adrenergic alpha-Agonists; Animals; Blood Pressure; Brimonidine Tartrate; Dogs; Dose-Response Relationship, Drug; Female; Imidazoles; Male; Phenoxybenzamine; Phenylephrine; Prazosin; Quinoxalines; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1988 |
Alpha 2-adrenoceptor blockade attenuates feeding behavior induced by neuropeptide Y and epinephrine.
Topics: Adrenergic alpha-Antagonists; Animals; Brain; Epinephrine; Feeding Behavior; Male; Neuropeptide Y; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Yohimbine | 1988 |
Antagonistic effects of alpha-adrenoceptor blocking agents on reticuloruminal hypomotility induced by xylazine in cattle.
Topics: Adrenergic alpha-Antagonists; Animals; Cattle; Domperidone; Female; Gastrointestinal Motility; Naloxone; Prazosin; Reticulum; Rumen; Thiazines; Tolazoline; Xylazine; Yohimbine | 1988 |
Alpha 1-adrenoceptors in the albino rabbit ciliary process.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Ciliary Body; Female; Inositol Phosphates; Membranes; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Yohimbine | 1988 |
Alpha-adrenergic vasoconstriction and receptor subtypes in large coronary arteries of calves.
Topics: Adrenergic alpha-Agonists; Animals; Azepines; Blood Pressure; Cattle; Coronary Vessels; Female; Heart Rate; Male; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Reference Values; Vasoconstriction; Yohimbine | 1988 |
Regulation of [3H]GABA release from strips of guinea pig urinary bladder.
Topics: Acetylcholine; Animals; Atropine; Baclofen; Bicuculline; Clonazepam; Clonidine; Female; gamma-Aminobutyric Acid; Guinea Pigs; Hexamethonium; Hexamethonium Compounds; In Vitro Techniques; Male; Muscimol; Pentobarbital; Phenylephrine; Pirenzepine; Potassium; Prazosin; Tritium; Urinary Bladder; Yohimbine | 1988 |
Evidence that the population of postjunctional-adrenoceptors mediating contraction of smooth muscle in the rabbit isolated ear vein is predominantly alpha 2.
Topics: Adrenergic alpha-Antagonists; Animals; Antihypertensive Agents; Brimonidine Tartrate; Female; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Prazosin; Quinoxalines; Rabbits; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Veins; Yohimbine | 1988 |
Investigations into the mechanism of the antihypertensive effect of SGB-1534, a novel alpha 1-adrenoceptor antagonist, in rats.
Topics: Adrenergic alpha-Antagonists; Animals; Antihypertensive Agents; Aorta, Thoracic; Blood Pressure; Clonidine; Heart Rate; In Vitro Techniques; Male; Muscle Contraction; Phenylephrine; Prazosin; Quinazolines; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1988 |
Stereoselective blockade of alpha-adrenoceptors by berbine derivatives.
Topics: Adrenergic alpha-Antagonists; Animals; Aorta, Thoracic; Berberine Alkaloids; Binding, Competitive; Blood Pressure; Chemical Phenomena; Chemistry; Clonidine; Heart Rate; Ligands; Male; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1988 |
Pigment migration in fish erythrophores is controlled by alpha 2-adrenoceptors.
Topics: Animals; Chromatophores; Colforsin; Electric Stimulation; Fishes; Norepinephrine; Phentolamine; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 1988 |
Pharmacological studies on the selectivity of HV-723, a new alpha-1 adrenoceptor antagonist.
Topics: Acetonitriles; Adrenergic alpha-Antagonists; Animals; Dogs; Electric Stimulation; Female; In Vitro Techniques; Male; Mesenteric Arteries; Norepinephrine; Prazosin; Rats; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Receptors, Muscarinic; Vas Deferens; Yohimbine | 1988 |
An attempt at selective protection from phenoxybenzamine of postjunctional alpha-adrenoceptor subtypes mediating contractions to noradrenaline in the rabbit isolated saphenous vein.
Topics: Adrenergic alpha-Antagonists; Animals; Female; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenoxybenzamine; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Saphenous Vein; Sulfonamides; Yohimbine | 1988 |
Hepatic microvascular regulatory mechanisms. X. Effects of alpha-one or -two adrenoceptor blockade on glucoregulation in normotensive endotoxic rats with optimal perfusion and flowrates.
Topics: Adrenergic alpha-Antagonists; Animals; Endotoxins; Escherichia coli; Glucose; Glycogen; Liver; Liver Glycogen; Male; Microcirculation; Perfusion; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1988 |
Hypothalamic alpha-adrenergic blockade modifies drinking and blood pressure responses to central angiotensin II in conscious rats.
Topics: Adrenergic alpha-Antagonists; Angiotensin II; Animals; Atenolol; Blood Pressure; Cerebral Ventricles; Drinking Behavior; Hippocampus; Injections, Intraventricular; Male; Phentolamine; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Reference Values; Yohimbine | 1988 |
No evidence for more than one type of alpha 1-adrenoreceptor in rabbit pulmonary artery.
Topics: Adrenergic alpha-Antagonists; Animals; Binding, Competitive; Clonidine; Dose-Response Relationship, Drug; Male; Methoxamine; Phenylephrine; Prazosin; Pulmonary Artery; Rabbits; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1988 |
Prostaglandin I2 and thromboxane A2 production in relation to alpha 1 and alpha 2-adrenoreceptor activation in the normotensive and hypertensive rat.
Topics: Adrenergic alpha-Antagonists; Animals; Epoprostenol; Mesenteric Arteries; Norepinephrine; Perfusion; Prazosin; Rats; Rats, Inbred SHR; Receptors, Adrenergic, alpha; Thromboxane A2; Yohimbine | 1988 |
Adrenergic receptors on cerebral microvessels: pericyte contribution.
Topics: Animals; Binding, Competitive; Blood-Brain Barrier; Cattle; Cerebrovascular Circulation; Iodocyanopindolol; Kinetics; Microcirculation; Microscopy, Electron; Pindolol; Prazosin; Yohimbine | 1989 |
Different innervation mechanisms between the lesser and greater curvature of guinea pig antrum.
Topics: Animals; Apamin; Atropine; Chymotrypsin; Female; Guinea Pigs; In Vitro Techniques; Male; Muscle Contraction; Muscle Relaxation; Phentolamine; Prazosin; Propranolol; Pyloric Antrum; Tetrodotoxin; Theophylline; Vasoactive Intestinal Peptide; Yohimbine | 1989 |
Blood flow distribution with adrenergic and histaminergic antagonists.
Topics: Animals; Arteriovenous Anastomosis; Blood Flow Velocity; Capillaries; Dogs; Female; Hindlimb; Histamine Antagonists; Male; Metiamide; Microcirculation; Microspheres; Norepinephrine; Phentolamine; Prazosin; Pyrilamine; Regional Blood Flow; Strontium Radioisotopes; Sympatholytics; Yohimbine | 1989 |
Atrial natriuretic factor-induced vasodepression occurs through central nervous system.
Topics: Animals; Atrial Natriuretic Factor; Blood Pressure; Cerebral Ventricles; Heart Rate; Injections, Intraventricular; Prazosin; Rats; Rats, Inbred SHR; Rats, Inbred WKY; Reference Values; Yohimbine | 1988 |
Postjunctional alpha-1 and alpha-2 adrenoceptors in the coronaries of the perfused guinea-pig heart.
Topics: Animals; Azepines; Clonidine; Coronary Vessels; Dose-Response Relationship, Drug; Female; Guinea Pigs; Heart Rate; In Vitro Techniques; Male; Myocardial Contraction; Nordefrin; Norepinephrine; Perfusion; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Vascular Resistance; Yohimbine | 1985 |
Evaluation of the alpha-1 and alpha-2 adrenoceptor-mediated effects of a series of dimethoxy-substituted tolazoline derivatives in the cardiovascular system of the pithed rat.
Topics: Animals; Blood Pressure; Brimonidine Tartrate; Clonidine; Decerebrate State; Dose-Response Relationship, Drug; Heart Rate; Male; Prazosin; Quinoxalines; Rats; Receptors, Adrenergic, alpha; Spinal Cord; Tolazoline; Yohimbine | 1985 |
Characterization of the alpha adrenergic receptor population in hippocampus up regulated by serotonergic raphe deafferentiation.
Topics: Animals; Clonidine; Dioxanes; Female; Guanylyl Imidodiphosphate; Hippocampus; Kinetics; Norepinephrine; Prazosin; Propranolol; Raphe Nuclei; Rats; Receptors, Adrenergic, alpha; Serotonin; Sodium; Yohimbine | 1985 |
Induction of DNA synthesis in cultured rat hepatocytes through stimulation of alpha 1 adrenoreceptor by norepinephrine.
Topics: Animals; Cells, Cultured; DNA; Epidermal Growth Factor; Female; Insulin; Liver; Liver Regeneration; Norepinephrine; Prazosin; Rats; Receptors, Adrenergic, alpha; Yohimbine | 1985 |
The mechanism of cerebrovascular vasoconstriction in response to locus coeruleus stimulation.
Topics: Animals; Brain; Carotid Arteries; Injections, Intravenous; Locus Coeruleus; Macaca nemestrina; Phentolamine; Prazosin; Receptors, Adrenergic, alpha; Vasoconstriction; Vasomotor System; Yohimbine | 1985 |
Factors determining alpha-adrenoceptor-mediated responses of human digital arteries and metacarpal veins.
Topics: Desipramine; Dose-Response Relationship, Drug; Fingers; Humans; Hydrocortisone; Metacarpus; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Prazosin; Propranolol; Quinazolines; Receptors, Adrenergic, alpha; Yohimbine | 1985 |
Evidence for neuro-effector transmission through postjunctional alpha 2-adrenoceptors in human saphenous vein.
Topics: Adult; Electric Stimulation; Humans; In Vitro Techniques; Male; Middle Aged; Muscle Contraction; Muscle, Smooth, Vascular; Neuroeffector Junction; Prazosin; Receptors, Adrenergic, alpha; Saphenous Vein; Synaptic Transmission; Yohimbine | 1985 |
Adrenergic receptor subtypes in rabbit iris-ciliary body membranes: classification by radioligand studies.
Topics: Animals; Binding, Competitive; Ciliary Body; Dihydroalprenolol; Dioxanes; In Vitro Techniques; Iris; Prazosin; Rabbits; Radioligand Assay; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Yohimbine | 1985 |
Two distinct populations of [3H]prazosin and [3H]yohimbine binding sites in the plasma membranes of rat mesenteric artery.
Topics: Animals; Cell Membrane; Drug Interactions; Female; Hydroxydopamines; Male; Mesenteric Arteries; Prazosin; Quinazolines; Rats; Receptors, Adrenergic, alpha; Sex Factors; Synaptic Membranes; Yohimbine | 1985 |
Unidirectional actions of insulin and Ca2+-dependent hormones on adipocyte pyruvate dehydrogenase.
Topics: Adipose Tissue; Animals; Bucladesine; Calcium; Dose-Response Relationship, Drug; Epinephrine; Insulin; Isoproterenol; Male; Norepinephrine; Phentolamine; Phenylephrine; Prazosin; Propranolol; Pyruvate Dehydrogenase Complex; Rats; Rats, Inbred Strains; Yohimbine | 1985 |
Studies on the mechanism of inhibition of glucose-stimulated insulin secretion by noradrenaline in rat islets of Langerhans.
Topics: Animals; Bucladesine; Calcium; Dose-Response Relationship, Drug; Glucose; In Vitro Techniques; Insulin; Insulin Antagonists; Insulin Secretion; Islets of Langerhans; Male; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Secretory Rate; Yohimbine | 1985 |
Acetylcholine release from rat atria can be regulated through an alpha 1-adrenergic receptor.
Topics: Acetylcholine; Animals; Epinephrine; Heart; Heart Atria; Male; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1985 |
Motor responses of cyproterone acetate-treated rat vas deferens to electrical field stimulation, noradrenaline and barium chloride.
Topics: Animals; Barium; Barium Compounds; Castration; Chlorides; Cyproterone; Cyproterone Acetate; Electric Stimulation; In Vitro Techniques; Male; Muscle, Smooth; Norepinephrine; Organ Size; Prazosin; Rats; Receptors, Adrenergic, alpha; Synaptic Transmission; Vas Deferens; Yohimbine | 1985 |
Solubilization and characterization of putative alpha-2 adrenergic isoceptors from the human platelet and the rat cerebral cortex.
Topics: Animals; Blood Platelets; Centrifugation, Density Gradient; Cerebral Cortex; Edetic Acid; Female; Guanosine Triphosphate; Guanylyl Imidodiphosphate; Humans; In Vitro Techniques; Magnesium; Magnesium Chloride; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Solubility; Species Specificity; Tritium; Yohimbine | 1985 |
Inhibitory effects of norepinephrine, methoxamine and phenylephrine on renin release from rat kidney cortical slices.
Topics: Animals; Calcium Channel Blockers; Calmodulin; In Vitro Techniques; Kidney Cortex; Male; Methoxamine; Norepinephrine; Phenylephrine; Potassium; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Renin; Sulfonamides; Yohimbine | 1985 |
Alpha2-adrenoceptors and cellular cAMP levels in single nephron segments from the rat.
Topics: Adenylyl Cyclases; Animals; Arginine Vasopressin; Cyclic AMP; Epinephrine; Male; Nephrons; Parathyroid Hormone; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Stimulation, Chemical; Yohimbine | 1985 |
Renal nerve stimulation causes alpha 1-adrenoceptor-mediated sodium retention but not alpha 2-adrenoceptor antagonism of vasopressin.
Topics: Animals; Body Water; Cyclic AMP; Electric Stimulation; Epinephrine; Kidney; Male; Natriuresis; Phenoxybenzamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Regional Blood Flow; Vasopressins; Yohimbine | 1985 |
Alpha 1-adrenoreceptors and alpha 1-adrenoreceptor-mediated thyrotropin release in cultures of euthyroid and hypothyroid rat anterior pituitary cells.
Topics: Animals; Calcimycin; Cells, Cultured; Epinephrine; Hypothyroidism; Isoproterenol; Kinetics; Male; Pituitary Gland, Anterior; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Thyroid Gland; Thyrotropin; Thyrotropin-Releasing Hormone; Yohimbine | 1985 |
Sabra rats as a model to differentiate between Na+ and GTP regulation of alpha 2-adrenoceptor densities.
Topics: Animals; Cerebral Cortex; Guanosine Triphosphate; In Vitro Techniques; Kidney Cortex; Kinetics; Male; Membranes; Models, Biological; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sodium; Yohimbine | 1985 |
Permissive role of spinal alpha 1-adrenoceptors in sudomotor efferents.
Topics: Animals; Catecholamines; Cats; Cocaine; Electric Stimulation; Female; Galvanic Skin Response; Ganglia, Spinal; Hypothalamus; Male; Neurons, Efferent; Prazosin; Receptors, Adrenergic, alpha; Reserpine; Spinal Cord; Yohimbine | 1985 |
A pharmacological study of alpha adrenergic receptor subtypes in smooth muscle of human urinary bladder base and prostatic urethra.
Topics: Aged; Dose-Response Relationship, Drug; Female; Humans; Male; Muscle Contraction; Muscle, Smooth; Norepinephrine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Urethra; Urinary Bladder; Yohimbine | 1985 |
Evidence for the modulation of sexual behavior by alpha-adrenoceptors in male rats.
Topics: Animals; Clonidine; Copulation; Drug Interactions; Ejaculation; Kinetics; Male; Prazosin; Rats; Receptors, Adrenergic, alpha; Sexual Behavior, Animal; Yohimbine | 1985 |
The localization of adrenoceptors and opiate receptors in regions of the cat central nervous system involved in cardiovascular control.
Topics: Animals; Cardiovascular System; Cats; Dihydromorphine; Female; Male; Medulla Oblongata; Naloxone; Olfactory Bulb; Prazosin; Receptors, Adrenergic; Receptors, Opioid; Spinal Cord; Yohimbine | 1985 |
Human myometrial adrenergic receptors during pregnancy: identification of the alpha-adrenergic receptor by [3H] dihydroergocryptine binding.
Topics: Dihydroergotoxine; Epinephrine; Female; Humans; Isoproterenol; Myometrium; Norepinephrine; Phentolamine; Prazosin; Pregnancy; Receptors, Adrenergic, alpha; Tritium; Yohimbine | 1985 |
Identification and characterization of 3H-prazosin binding to alpha 1-adrenoceptors in bovine teat muscles.
Topics: Animals; Binding, Competitive; Cattle; Female; Hydrogen-Ion Concentration; In Vitro Techniques; Kinetics; Mammary Glands, Animal; Membranes; Muscle, Smooth; Phentolamine; Prazosin; Protein Binding; Quinazolines; Receptors, Adrenergic, alpha; Stereoisomerism; Yohimbine | 1985 |
Potentiation by TRH of the effect of imipramine on the forced-swimming test.
Topics: Animals; Drug Synergism; Drug Tolerance; Imipramine; Male; Mice; Morphine; Naloxone; Phenoxybenzamine; Phentolamine; Prazosin; Receptors, Adrenergic, alpha; Receptors, Opioid; Swimming; Thyrotropin-Releasing Hormone; Yohimbine | 1985 |
Specific increase in renal alpha 1-adrenergic receptors following unilateral renal denervation.
Topics: Animals; Binding, Competitive; Cell Membrane; Denervation; Iodocyanopindolol; Kidney; Kinetics; Norepinephrine; Pindolol; Prazosin; Rats; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Yohimbine | 1985 |
N-substituted imidazolines and ethylenediamines and their action on alpha- and beta-adrenergic receptors.
Topics: Animals; Azepines; Blood Pressure; Chemical Phenomena; Chemistry; Ethylenediamines; Heart Rate; Imidazoles; Male; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Stimulation, Chemical; Structure-Activity Relationship; Yohimbine | 1985 |
Alpha 1-adrenoceptor-mediated inositol phospholipid hydrolysis in rat cerebral cortex: relationship between receptor occupancy and response and effects of denervation.
Topics: Animals; Cerebral Cortex; Denervation; Histamine; Hydrolysis; Hydroxydopamines; In Vitro Techniques; Injections, Intraventricular; Inositol Phosphates; Kinetics; Male; Norepinephrine; Oxidopamine; Phenoxybenzamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sugar Phosphates; Yohimbine | 1985 |
Postsynaptic alpha 2-noradrenergic receptors mediate feeding induced by paraventricular nucleus injection of norepinephrine and clonidine.
Topics: Animals; Clonidine; Injections; Male; Norepinephrine; Paraventricular Hypothalamic Nucleus; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Tryptamines; Yohimbine | 1985 |
Autoradiographic study of the alpha-adrenoceptors of rat aorta and tail artery.
Topics: Animals; Aorta, Thoracic; Arteries; Autoradiography; In Vitro Techniques; Muscle, Smooth, Vascular; Prazosin; Rats; Receptors, Adrenergic, alpha; Regional Blood Flow; Tail; Yohimbine | 1985 |
Activation of muscarinic and of alpha 1-adrenergic receptors on astrocytes results in the accumulation of inositol phosphates.
Topics: Animals; Astrocytes; Atropine; Carbachol; Cells, Cultured; Cerebral Cortex; Inositol; Inositol Phosphates; Kinetics; Norepinephrine; Prazosin; Rats; Receptors, Adrenergic, alpha; Receptors, Muscarinic; Sugar Phosphates; Tritium; Yohimbine | 1985 |
Postsynaptic alpha adrenoceptors in baboon cerebral and mesenteric arteries.
Topics: Animals; Cerebral Arteries; Clonidine; Dose-Response Relationship, Drug; Female; Male; Mesenteric Arteries; Norepinephrine; Papio; Phentolamine; Phenylephrine; Potassium Chloride; Prazosin; Propranolol; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1985 |
Noradrenergic modulation of 4-aminopyridine-induced acetylcholine release from rat cerebral cortex.
Topics: 4-Aminopyridine; Acetylcholine; alpha-Methyltyrosine; Aminopyridines; Animals; Benzylamines; Cerebral Cortex; Fenclonine; Male; Methyltyrosines; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1985 |
Differential sensitivity to prazosin and yohimbine blockade of tyramine and noradrenaline.
Topics: Animals; Dose-Response Relationship, Drug; In Vitro Techniques; Male; Muscle Contraction; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Tyramine; Vas Deferens; Yohimbine | 1985 |
Pharmacological analysis of the postjunctional alpha-adrenoceptors of the rat anococcygeus muscle and vas deferens.
Topics: Animals; In Vitro Techniques; Male; Muscle, Smooth; Norepinephrine; Organ Specificity; Phentolamine; Phenylephrine; Prazosin; Rats; Receptors, Adrenergic, alpha; Vas Deferens; Yohimbine | 1985 |
Effect of drugs interacting with adrenoreceptors and muscarinic receptors in the epididymal and prostatic parts of the human isolated vas deferens.
Topics: Adult; Electric Stimulation; Epididymis; Humans; In Vitro Techniques; Isometric Contraction; Male; Middle Aged; Muscle, Smooth; Norepinephrine; Prazosin; Prostate; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Receptors, Muscarinic; Vas Deferens; Yohimbine | 1985 |
Dual effects of clonidine on micturition reflex in urethane anesthetized rats.
Topics: Anesthesia; Animals; Clonidine; Electric Stimulation; Hydroxydopamines; Injections, Intraventricular; Male; Muscle Contraction; Oxidopamine; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Reflex; Sympathectomy, Chemical; Synaptic Transmission; Urethane; Urinary Bladder; Urination; Yohimbine | 1985 |
Epinephrine-stimulated maintained rubidium efflux from guinea pig hepatocytes may involve alpha 1- and alpha 2-adrenoceptors.
Topics: Animals; Calcium; Clonidine; Epinephrine; Guinea Pigs; In Vitro Techniques; Liver; Male; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Rubidium; Yohimbine | 1985 |
Cerebrovascular responses to haemorrhagic hypotension in anaesthetized cats. Effects of alpha-adrenoceptor antagonists.
Topics: Anesthesia, General; Animals; Blood Pressure; Cats; Cerebral Arteries; Cerebrovascular Circulation; Female; Homeostasis; Male; Prazosin; Receptors, Adrenergic, alpha; Shock, Hemorrhagic; Sympathetic Nervous System; Yohimbine | 1985 |
Role of alpha 1-adrenoceptors in norepinephrine-induced cardiomyopathy.
Topics: Animals; Blood Glucose; Blood Pressure; Cardiomyopathies; Heart Rate; Norepinephrine; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Yohimbine | 1985 |
An investigation of age-related changes in pre- and postjunctional alpha-adrenoceptors in human saphenous vein.
Topics: Adult; Age Factors; Aged; Electric Stimulation; Humans; In Vitro Techniques; Male; Middle Aged; Prazosin; Receptors, Adrenergic, alpha; Saphenous Vein; Tritium; Vasoconstriction; Xylazine; Yohimbine | 1985 |
Diphenylalkylamine calcium antagonists interact with alpha-adrenoceptor binding sites in aortic membranes.
Topics: Animals; Aorta, Thoracic; Bepridil; Binding, Competitive; Calcium Channel Blockers; Cattle; Cinnarizine; In Vitro Techniques; Membranes; Muscle, Smooth, Vascular; Prazosin; Pyrrolidines; Receptors, Adrenergic, alpha; Yohimbine | 1985 |
Abnormality of alpha 1-adrenergic receptors in the frontal cortex of epileptic rats.
Topics: Animals; Carbachol; Cerebral Cortex; Clonidine; Dose-Response Relationship, Drug; Epilepsy; Hippocampus; Inferior Colliculi; Male; Norepinephrine; Phentolamine; Phosphatidylinositols; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Rats, Mutant Strains; Receptors, Adrenergic, alpha; Synaptic Membranes; Yohimbine | 1986 |
N-(1,3,4,6,7,12b-hexahydro-2H-benzo[b]furo[2,3-a]quinolizin -2-yl)-N- methyl-2-hydroxyethane-sulfonamide: a potent and selective alpha 2-adrenoceptor antagonist.
Topics: Animals; Binding, Competitive; Cattle; Cerebral Cortex; Chemical Phenomena; Chemistry; Clonidine; Male; Prazosin; Pupil; Quinolizines; Rats; Receptors, Adrenergic, alpha; Stereoisomerism; Structure-Activity Relationship; Yohimbine | 1985 |
Alpha 2-adrenergic mechanisms in prefrontal cortex associated with cognitive decline in aged nonhuman primates.
Topics: Aging; Animals; Cerebral Cortex; Clonidine; Cognition; Female; Hydroxydopamines; Macaca mulatta; Memory; Oxidopamine; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 1985 |
Enhancement by norepinephrine of automaticity in sheep cardiac Purkinje fibers exposed to hypoxic glucose-free Tyrode's solution: a role for alpha-adrenoceptors?
Topics: Animals; Heart Conduction System; In Vitro Techniques; Isoproterenol; Isotonic Solutions; Membrane Potentials; Norepinephrine; Oxygen; Prazosin; Purkinje Fibers; Receptors, Adrenergic, alpha; Sheep; Yohimbine | 1986 |
Alpha adrenoceptor subtype mediating sympathetic mobilization of blood from the hepatic venous system in anesthetized cats.
Topics: Anesthesia; Animals; Blood Volume; Cats; Clonidine; Electric Stimulation; Hepatic Veins; Nordefrin; Norepinephrine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Sympathetic Nervous System; Vasoconstriction; Yohimbine | 1986 |
Increased vascular contraction and sensitivity to norepinephrine after endothelial denudation is inhibited by prazosin.
Topics: Animals; Aorta, Abdominal; Catheterization; Dose-Response Relationship, Drug; Endothelium; Hyperplasia; Male; Microscopy, Electron; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Propranolol; Rabbits; Receptors, Adrenergic, alpha; Vasomotor System; Yohimbine | 1986 |
Characterization of alpha-adrenoceptors in myometrium of preparturient rats.
Topics: Animals; Binding, Competitive; Dihydroergotoxine; Female; In Vitro Techniques; Kinetics; Membranes; Myometrium; Phenoxybenzamine; Prazosin; Pregnancy; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1985 |
Alpha 1-adrenergic activation of brown adipocytes leads to an increased formation of inositol polyphosphates.
Topics: Adipose Tissue, Brown; Animals; Calcium; Cricetinae; Inositol Phosphates; Lithium; Norepinephrine; Phosphatidylinositols; Prazosin; Receptors, Adrenergic, alpha; Sugar Phosphates; Yohimbine | 1986 |
Central adrenergic receptor control of renal function in conscious hypertensive rats.
Topics: Animals; Blood Pressure; Clonidine; Guanabenz; Hypertension; Kidney; Male; Natriuresis; Phenoxybenzamine; Prazosin; Rats; Rats, Inbred SHR; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Urodynamics; Yohimbine | 1986 |
Alpha-1 adrenoceptors mediate splanchnic nerve inhibition of pentagastrin-induced gastric acid secretion and mucosal blood flow in rats.
Topics: Animals; Electric Stimulation; Gastric Acid; Gastric Acidity Determination; Gastric Mucosa; Male; Pentagastrin; Phentolamine; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Splanchnic Nerves; Yohimbine | 1986 |
Determination of molecular size of alpha-1 and alpha-2 adrenoceptors in rat mesenteric artery by radiation inactivation.
Topics: Animals; Electrophoresis, Polyacrylamide Gel; Female; In Vitro Techniques; Mesenteric Arteries; Molecular Weight; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Tritium; Yohimbine | 1986 |
Antagonism by nifedipine of alpha-1 and alpha-2 adrenoceptor-mediated responses of human digital arteries.
Topics: Electric Stimulation; Fingers; Humans; In Vitro Techniques; Methoxamine; Muscle, Smooth, Vascular; Nifedipine; Norepinephrine; Prazosin; Receptors, Adrenergic, alpha; Tetrahydronaphthalenes; Tritium; Vasoconstriction; Yohimbine | 1986 |
Central alpha-2 adrenoceptor-mediated hypertensive response to clonidine in conscious, normotensive rats.
Topics: Animals; Azepines; Blood Pressure; Brain; Cimetidine; Clonidine; Hydroxydopamines; Injections, Intraventricular; Ketanserin; Male; Methoxamine; Oxidopamine; Piperidines; Prazosin; Procaine; Pyrilamine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1986 |
Renal alpha 2-adrenergic receptors multiply and mediate sodium retention after prazosin treatment.
Topics: Animals; Binding, Competitive; Blood Pressure; Electrolytes; Glomerular Filtration Rate; Injections, Intraperitoneal; Kidney; Kinetics; Male; Phentolamine; Prazosin; Radioligand Assay; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sodium; Tritium; Yohimbine | 1986 |
Photoaffinity labeling of alpha 1-adrenergic receptors of rat heart.
Topics: Affinity Labels; Animals; Azides; Binding, Competitive; Dithiothreitol; Epinephrine; Heart Ventricles; Iodine Radioisotopes; Macromolecular Substances; Microbial Collagenase; Myocardium; Norepinephrine; Phentolamine; Prazosin; Quinazolines; Rats; Receptors, Adrenergic, alpha; Yohimbine | 1986 |
Norepinephrine decreases EGF binding in primary rat hepatocyte cultures.
Topics: Animals; Cells, Cultured; DNA; Epidermal Growth Factor; ErbB Receptors; Female; Liver; Norepinephrine; Pindolol; Prazosin; Rats; Rats, Inbred F344; Receptors, Cell Surface; Yohimbine | 1986 |
Adrenergic receptors in human liver plasma membranes: predominance of beta 2- and alpha 1-receptor subtypes.
Topics: Aged; Binding, Competitive; Cell Membrane; Dihydroalprenolol; Dihydroergotoxine; Female; Guanylyl Imidodiphosphate; Humans; Iodocyanopindolol; Kinetics; Liver; Male; Middle Aged; Pindolol; Prazosin; Radioligand Assay; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Sympatholytics; Sympathomimetics; Yohimbine | 1986 |
Postsynaptic alpha-adrenoceptor subtypes in the internal carotid, mesenteric, splenic, renal and femoral vascular beds of the dog.
Topics: Animals; Blood Pressure; Carotid Arteries; Dogs; Female; Femoral Artery; Male; Mesenteric Arteries; Muscle, Smooth, Vascular; Norepinephrine; Normetanephrine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Renal Artery; Spleen; Yohimbine | 1986 |
[Characterization of adrenergic receptors in human cerebral arteries and the alteration after subarachnoid hemorrhage].
Topics: Cerebral Arteries; Humans; Prazosin; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Subarachnoid Hemorrhage; Yohimbine | 1985 |
A new photoaffinity probe, 4-amino-2-[4-(4-azidocinnamoyl)piperazino]-6,7-dimethoxyqu inazoline, for alpha 1-adrenoceptors.
Topics: Affinity Labels; Animals; Cerebral Cortex; Chemical Phenomena; Chemistry; Dihydroalprenolol; In Vitro Techniques; Kinetics; Male; Membranes; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Spectrophotometry, Ultraviolet; Yohimbine | 1986 |
Ontogeny of renal alpha-1 and alpha-2 adrenoceptors in the spontaneously hypertensive rat.
Topics: Age Factors; Animals; Hypertension; Kidney; Kinetics; Male; Prazosin; Rats; Rats, Inbred SHR; Rats, Inbred WKY; Receptors, Adrenergic, alpha; Sympathetic Nervous System; Tritium; Vascular Resistance; Yohimbine | 1986 |
Alpha-2 adrenergic receptor subtypes indicated by [3H]yohimbine binding in human brain.
Topics: Binding, Competitive; Brain; Caudate Nucleus; Cerebellum; Cerebral Cortex; Humans; Kinetics; Mathematics; Oxymetazoline; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 1986 |
Alpha-adrenergic receptors in rat skeletal muscle.
Topics: Animals; Binding Sites; Dihydroalprenolol; Dioxanes; Female; Idazoxan; Kinetics; Male; Muscles; Peptidyl-Dipeptidase A; Phentolamine; Phenylephrine; Prazosin; Rats; Receptors, Adrenergic, alpha; Sarcolemma; Yohimbine | 1986 |
Evaluation of alpha-1 and alpha-2 adrenoceptor-mediated vasoconstriction in the in situ, autoperfused, pulmonary circulation of the anesthetized dog.
Topics: Animals; Azepines; Blood Pressure; Dogs; Dose-Response Relationship, Drug; Female; Male; Methoxamine; Norepinephrine; Prazosin; Propranolol; Pulmonary Circulation; Receptors, Adrenergic, alpha; Tyramine; Vasoconstriction; Yohimbine | 1986 |
Studies that question the existence of alpha-2 adrenoceptors in tail arteries of normotensive Sprague-Dawley rats.
Topics: Animals; Arteries; Azepines; Clonidine; Dose-Response Relationship, Drug; Male; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Tail; Vasoconstriction; Yohimbine | 1986 |
Regulation of beta-adrenergic receptor density in the non-innervated and denervated embryonic chick heart.
Topics: Animals; Binding, Competitive; Chick Embryo; Denervation; Heart Conduction System; Isoproterenol; Kinetics; Myocardium; Pindolol; Prazosin; Propranolol; Receptors, Adrenergic, beta; Yohimbine | 1986 |
Nature of alpha 1 and postjunctional alpha 2 adrenoceptors in the pulmonary vascular bed.
Topics: Animals; Azepines; Blood Pressure; Brimonidine Tartrate; Cats; Hydroxydopamines; Methoxamine; Norepinephrine; Oxidopamine; Phenylephrine; Prazosin; Propranolol; Pulmonary Artery; Quinoxalines; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1986 |
A study on the postjunctional excitatory alpha-adrenoreceptor subtypes in the mesenteric arterial bed of the rat.
Topics: Animals; Antihypertensive Agents; Blood Pressure; Brimonidine Tartrate; In Vitro Techniques; Male; Mesenteric Arteries; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Prazosin; Propranolol; Quinoxalines; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Time Factors; Yohimbine | 1986 |
Evaluation of the role of alpha-1 and alpha-2 adrenoceptors in the maintenance of neurogenic tone to the hindlimb vasculature.
Topics: Animals; Azepines; Blood Vessels; Denervation; Dogs; Female; Hindlimb; Male; Norepinephrine; Phentolamine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Vascular Resistance; Vasoconstriction; Yohimbine | 1986 |
Delayed up-regulation of alpha-adrenoceptor populations in particular regions of the rat brain after stimulation of the nucleus locus coeruleus.
Topics: Animals; Brain Stem; Cerebral Cortex; Electric Stimulation; Hippocampus; Hypothalamus; Iodocyanopindolol; Locus Coeruleus; Male; Pindolol; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1986 |
Involvement of postsynaptic alpha 1- and alpha 2-adrenoceptors in the flexor reflex activity in the spinal rats.
Topics: Animals; Clonidine; Clozapine; Decerebrate State; Male; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Reflex; Spinal Cord; Yohimbine | 1986 |
Biochemical characterization of alpha-adrenergic receptors in human brain and changes in Alzheimer-type dementia.
Topics: Aged; Alzheimer Disease; Binding, Competitive; Brain; Cell Membrane; Cerebellum; Female; Hippocampus; Humans; Kinetics; Male; Prazosin; Receptors, Adrenergic, alpha; Substantia Innominata; Tissue Distribution; Yohimbine | 1986 |
Changes in central alpha-adrenoceptors and noradrenaline content after high sodium intake in Sabra salt-sensitive and salt-resistant rats.
Topics: Animals; Blood Pressure; Brain; Cerebral Cortex; Hypothalamus; Male; Medulla Oblongata; Norepinephrine; Prazosin; Rats; Rats, Inbred SHR; Receptors, Adrenergic, alpha; Sodium Chloride; Yohimbine | 1986 |
Effects of neonatal methylmercury exposure on adrenergic receptor binding sites in peripheral tissues of the developing rat.
Topics: Aging; Animals; Animals, Newborn; Binding Sites; Female; Heart; Kidney; Liver; Lung; Male; Methylmercury Compounds; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1986 |
Studies on epinephrine-induced lung edema in the rat. I. Selective alpha 1-adrenoceptor involvement.
Topics: Animals; Azepines; Blood Pressure; Clonidine; Dibenzylchlorethamine; Epinephrine; Female; Metaraminol; Norepinephrine; Phenylephrine; Practolol; Prazosin; Propranolol; Pulmonary Edema; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1986 |
Differences between central and peripheral rat alpha-adrenoceptors revealed using binuclear ligands.
Topics: Acridines; Animals; Binding, Competitive; Cerebral Cortex; Female; In Vitro Techniques; Kidney; Prazosin; Quinolines; Radioligand Assay; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1986 |
Autoradiographic localization of alpha-adrenoceptors, muscarinic acetylcholine receptors and opiate receptors in the heart.
Topics: Animals; Autoradiography; Cats; Female; Male; Myocardium; Prazosin; Quinuclidinyl Benzilate; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Muscarinic; Receptors, Opioid; Yohimbine | 1986 |
Receptor protection experiments confirm the identity of presynaptic alpha 2-autoreceptors.
Topics: Animals; Cerebral Cortex; Clonidine; Cyclazocine; Ethylketocyclazocine; Female; In Vitro Techniques; Male; Norepinephrine; Phenoxybenzamine; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Synapses; Yohimbine | 1986 |
Potentiation by adrenaline of human platelet activation and the inhibition by the alpha-adrenergic antagonist nicergoline of platelet adhesion, secretion and aggregation.
Topics: Blood Platelets; Collagen; Epinephrine; Ergolines; Humans; In Vitro Techniques; Nicergoline; Phentolamine; Platelet Adhesiveness; Platelet Aggregation; Prazosin; Receptors, Adrenergic, alpha; Serotonin; Yohimbine | 1986 |
Alpha 2-receptor control over release of noradrenaline in rat thalamus.
Topics: Animals; Bis(4-Methyl-1-Homopiperazinylthiocarbonyl)disulfide; Clonidine; In Vitro Techniques; Male; Norepinephrine; Potassium; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Thalamus; Yohimbine | 1986 |
Central alpha 2-adrenergic control of the pattern of small intestinal motility in rats.
Topics: Animals; Clonidine; Duodenum; Eating; Electromyography; Fasting; Gastrointestinal Motility; Jejunum; Male; Naphazoline; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1986 |
The ontogeny of renal alpha 1- and alpha 2-adrenoceptors in the Dahl rat model of experimental hypertension.
Topics: Age Factors; Animals; Female; Hypertension; Kidney; Kinetics; Male; Membranes; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1986 |
A clinical approach for the identification of peripheral pre- and post-synaptic alpha-adrenergic receptors.
Topics: Adult; Blood Pressure; Heart Rate; Humans; Male; Norepinephrine; Piperazines; Prazosin; Receptors, Adrenergic, alpha; Synapses; Yohimbine | 1986 |
Effects of catecholamine-depleting agents and receptor blockers on basal and angiotensin II- or norepinephrine-stimulated luteinizing hormone release in female rats.
Topics: Angiotensin II; Animals; Benzazepines; Catecholamines; Ditiocarb; Dopamine beta-Hydroxylase; Female; Gonadotropin-Releasing Hormone; Luteinizing Hormone; Ovariectomy; Phenylethanolamine N-Methyltransferase; Prazosin; Propranolol; Rats; Saralasin; Yohimbine | 1986 |
Chronic steroid contraceptive treatment decreases renal alpha-adrenoceptor levels in the rat.
Topics: Animals; Ethinyl Estradiol; Female; Hypertension, Renal; Kidney; Levonorgestrel; Norgestrel; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1986 |
Papaverine inhibits binding of [3H]-prazosin and [3H]-yohimbine to rat renal cortical membranes.
Topics: Animals; Dose-Response Relationship, Drug; Female; In Vitro Techniques; Kidney Cortex; Kinetics; Male; Norepinephrine; Papaverine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Tritium; Verapamil; Yohimbine | 1986 |
Adrenergic influences on sexual differentiation of the rat brain.
Topics: Animals; Brain; Clonidine; Feedback; Female; Posture; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sex Differentiation; Sexual Behavior, Animal; Testosterone; Yohimbine | 1986 |
Alpha adrenergic receptors mediate angiotensin-induced prostaglandin production in the rabbit isolated vas deferens.
Topics: Angiotensin II; Angiotensin III; Animals; Clonidine; Male; Muscle Contraction; Phenylephrine; Prazosin; Prostaglandins E; Rabbits; Receptors, Adrenergic, alpha; Vas Deferens; Yohimbine | 1987 |
Alpha adrenergic responses of blood vessels of rabbits after ovariectomy and administration of 17 beta-estradiol.
Topics: Animals; Blood Vessels; Brimonidine Tartrate; Estradiol; Female; Muscle, Smooth, Vascular; Norepinephrine; Ovariectomy; Phenylephrine; Prazosin; Quinoxalines; Rabbits; Receptors, Adrenergic, alpha; Vasoconstriction; Vasomotor System; Yohimbine | 1987 |
Specific alpha 1-, alpha 2-, and beta-responses to norepinephrine in pyruvate-perfused rat kidneys.
Topics: Animals; Electrolytes; Gluconeogenesis; Kidney; Male; Methoxamine; Norepinephrine; Perfusion; Prazosin; Propranolol; Pyruvates; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Renal Artery; Vascular Resistance; Yohimbine | 1987 |
Postjunctional vascular smooth muscle alpha-2 adrenoreceptors in human autonomic failure.
Topics: Aged; Autonomic Nervous System Diseases; Blood Platelets; Blood Pressure; Clonidine; Dose-Response Relationship, Drug; Heart Rate; Humans; Male; Muscle, Smooth; Norepinephrine; Posture; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 1987 |
Further evaluation of the selectivity of a novel antihypertensive agent, SGB-1534, for peripheral alpha 1-adrenoceptors in the spinally anesthetized dog.
Topics: Anesthesia, Spinal; Animals; Antihypertensive Agents; Blood Pressure; Dogs; Female; Male; Methoxamine; Prazosin; Quinazolines; Receptors, Adrenergic, alpha; Regional Blood Flow; Yohimbine | 1986 |
Central alpha-adrenoceptors during the development of hypertension in rats on high and low salt intake.
Topics: Animals; Blood Pressure; Diet, Sodium-Restricted; Hypertension; Hypothalamus; Male; Medulla Oblongata; Prazosin; Rats; Rats, Inbred SHR; Rats, Inbred WKY; Receptors, Adrenergic, alpha; Sodium Chloride; Yohimbine | 1986 |
Evidence for the involvement of alpha-2 adrenoceptors in the sedation but not REM sleep inhibition by clonidine in the rat.
Topics: Animals; Clonidine; Electroencephalography; Hypnotics and Sedatives; Male; Phenoxybenzamine; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sleep, REM; Yohimbine | 1986 |
Effect of the amino-oxazoline derivative S-3341 on pre- and postjunctional alpha-adrenoceptors in isolated blood vessels.
Topics: Animals; Clonidine; Dogs; In Vitro Techniques; Norepinephrine; Oxazoles; Perfusion; Phenylephrine; Prazosin; Pulmonary Artery; Rabbits; Receptors, Adrenergic, alpha; Rilmenidine; Saphenous Vein; Vasoconstriction; Yohimbine | 1986 |
Quantitative evaluation of alpha- and beta-adrenoceptor modulation of [3H]choline release in guinea pig superior cervical ganglia.
Topics: Acetylcholine; Animals; Choline; Clonidine; Ganglia, Sympathetic; Guinea Pigs; In Vitro Techniques; Isoproterenol; Norepinephrine; Phentolamine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Yohimbine | 1987 |
Effect of receptor blockers (methysergide, propranolol, phentolamine, yohimbine and prazosin) on desimipramine-induced pituitary hormone stimulation in humans--I. Growth hormone.
Topics: Adolescent; Adult; Blood Glucose; Blood Pressure; Carrier Proteins; Desipramine; Drug Interactions; Growth Hormone; Humans; Male; Methysergide; Phentolamine; Pituitary Hormones; Prazosin; Propranolol; Receptors, Drug; Receptors, Neurotransmitter; Time Factors; Yohimbine | 1986 |
Effects of receptor blockers (methysergide, propranolol, phentolamine, yohimbine and prazosin) on desimipramine-induced pituitary hormone stimulation in humans--II. Prolactin.
Topics: Blood Glucose; Blood Pressure; Carrier Proteins; Desipramine; Drug Interactions; Heart Rate; Humans; Male; Methysergide; Phentolamine; Pituitary Hormones; Prazosin; Prolactin; Propranolol; Receptors, Drug; Receptors, Neurotransmitter; Time Factors; Yohimbine | 1986 |
Effects of receptor blockers (methysergide, propranolol, phentolamine, yohimbine and prazosin) on desimipramine-induced pituitary hormone stimulation in humans--III. Hypothalamo-pituitary-adrenocortical axis.
Topics: Blood Glucose; Blood Pressure; Carrier Proteins; Desipramine; Drug Interactions; Heart Rate; Humans; Hypothalamo-Hypophyseal System; Male; Methysergide; Phentolamine; Pituitary Hormones; Pituitary-Adrenal System; Prazosin; Propranolol; Receptors, Drug; Receptors, Neurotransmitter; Yohimbine | 1986 |
Regulation of Na+/H+ antiport in the intact renal proximal tubular cell.
Topics: Alprostadil; Amiloride; Angiotensin II; Carrier Proteins; Cells, Cultured; Guanabenz; Insulin; Kidney Tubules, Proximal; Prazosin; Sodium-Hydrogen Exchangers; Yohimbine | 1986 |
Noradrenergic regulation of cytosol estrogen receptors in female rat hypothalamus: possible role of alpha 2-noradrenergic receptors.
Topics: Animals; Cell Nucleus; Clonidine; Cytosol; Female; Hypothalamus; Norepinephrine; Osmolar Concentration; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Estrogen; Yohimbine | 1987 |
Effects of bunazosin on electrical responses of smooth muscle cells of the guinea-pig mesenteric artery and vein to perivascular nerve stimulation and to noradrenaline.
Topics: Animals; Electric Stimulation; Evoked Potentials; Female; Guinea Pigs; Male; Membrane Potentials; Mesenteric Arteries; Mesenteric Veins; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Quinazolines; Receptors, Adrenergic, alpha; Yohimbine | 1987 |
Comparison of the alpha adrenoceptor activity of dopamine, ibopamine and epinine in the pulmonary circulation of the dog.
Topics: Animals; Azepines; Deoxyepinephrine; Dogs; Dopamine; Dose-Response Relationship, Drug; Female; Male; Prazosin; Propranolol; Pulmonary Circulation; Receptors, Adrenergic, alpha; Yohimbine | 1987 |
Postjunctional alpha 2-adrenoceptors in pial arteries of anesthetized newborn pigs.
Topics: Animals; Animals, Newborn; Cerebral Arteries; Clonidine; Female; Ganglia, Sympathetic; Male; Phenylephrine; Pia Mater; Prazosin; Receptors, Adrenergic, alpha; Swine; Vasoconstriction; Yohimbine | 1987 |
A cholera toxin substrate regulates cyclic GMP content of rat pinealocytes.
Topics: Animals; Cholera Toxin; Cyclic GMP; Female; In Vitro Techniques; Kinetics; Macromolecular Substances; Methoxamine; Phenylephrine; Pineal Gland; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Yohimbine | 1987 |
GABAergic nerve terminals in rat hippocampus possess alpha 2-adrenoceptors regulating GABA release.
Topics: Animals; gamma-Aminobutyric Acid; Hippocampus; Male; Nerve Endings; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Synaptosomes; Yohimbine | 1987 |
Alpha-adrenergic receptor subtypes in the cerebral circulation of newborn piglets.
Topics: Animals; Animals, Newborn; Brain Chemistry; Cerebrovascular Circulation; Electric Stimulation; Electrophysiology; Prazosin; Receptors, Adrenergic, alpha; Regional Blood Flow; Swine; Sympathetic Nervous System; Tissue Distribution; Vasoconstriction; Yohimbine | 1987 |
Characteristics of adrenoceptors and [3H]nitrendipine receptors of porcine vascular smooth muscle: differences between coronary artery and aorta.
Topics: Animals; Aorta; Binding Sites; Calcium Channels; Coronary Vessels; Dihydroalprenolol; Iodocyanopindolol; Muscle, Smooth, Vascular; Nitrendipine; Pindolol; Prazosin; Receptors, Adrenergic; Receptors, Nicotinic; Swine; Tritium; Yohimbine | 1987 |
Alpha 2-adrenergic potentiation of adenosine-stimulating effect on glucagon secretion.
Topics: Adenosine; Animals; Clonidine; Drug Synergism; Epinephrine; Glucagon; Male; Pancreas; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1987 |
Characterization of the alpha-1 adrenergic receptors in the thoracic aorta of control and aldosterone hypertensive rats: correlation of radioligand binding with potassium efflux and contraction.
Topics: Aldosterone; Angiotensin II; Animals; Aorta, Thoracic; Dibenzylchlorethamine; Hypertension; Muscle Contraction; Phentolamine; Potassium; Prazosin; Rats; Receptors, Adrenergic, alpha; Yohimbine | 1987 |
Desensitization of postjunctional alpha 1- and alpha 2-adrenergic receptor-mediated vasopressor responses in rat harboring pheochromocytoma.
Topics: Angiotensins; Animals; Blood Pressure; Cell Membrane; Disease Models, Animal; Dopamine; Heart Rate; Male; Mesenteric Arteries; Neoplasm Transplantation; Norepinephrine; Phentolamine; Pheochromocytoma; Prazosin; Propranolol; Rats; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1987 |
Enhanced pulmonary alpha-2 adrenoceptor responsiveness under conditions of elevated pulmonary vascular tone.
Topics: 15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic Acid; Animals; Azepines; Blood Pressure; Dinoprost; Dogs; Female; Lung; Male; Methoxamine; Prazosin; Prostaglandin Endoperoxides, Synthetic; Prostaglandins F; Receptors, Adrenergic, alpha; Serotonin; Vasoconstriction; Yohimbine | 1987 |
Differential antagonism of alpha-1 and alpha-2 adrenoceptor-mediated pressor responses by urotensin I, a selective mesenteric vasodilator peptide.
Topics: Animals; Blood Pressure; Male; Mesenteric Arteries; Muscle Contraction; Muscle, Smooth, Vascular; Nordefrin; Norepinephrine; Peptides; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Urotensins; Vasodilation; Yohimbine | 1987 |
On the relationship between clonidine hypotension and brain beta-endorphin in the spontaneously hypertensive rat: studies with alpha adrenergic and opiate blockers.
Topics: Animals; beta-Endorphin; Blood Pressure; Brain; Clonidine; Endorphins; Heart Rate; Hypertension; Hypothalamus; Male; Naloxone; Prazosin; Rats; Rats, Inbred SHR; Rats, Inbred WKY; Receptors, Adrenergic, alpha; Receptors, Opioid; Yohimbine | 1987 |
Transmembrane receptor cross-talk: concurrent VIP and alpha 1-adrenergic activation rapidly elevates pinealocyte cGMP greater than 100-fold.
Topics: Animals; Cells, Cultured; Cyclic GMP; Female; Norepinephrine; Phenylephrine; Pineal Gland; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Vasoactive Intestinal Peptide; Yohimbine | 1987 |
Verapamil enhances the non-adrenergic twitch response of rat vas deferens.
Topics: Animals; Autonomic Nervous System; Electric Stimulation; Gallopamil; Hydroxydopamines; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth; Norepinephrine; Oxidopamine; Prazosin; Rats; Reserpine; Vas Deferens; Verapamil; Yohimbine | 1987 |
Possible prostacyclin involvement on disparate tonic responses to "in vitro" norepinephrine in circular and in longitudinal preparations from rat thoracic aorta.
Topics: 6-Ketoprostaglandin F1 alpha; Animals; Aorta, Thoracic; Arachidonic Acid; Arachidonic Acids; Dose-Response Relationship, Drug; Epoprostenol; Female; Indomethacin; Muscle Contraction; Muscle Relaxation; Muscle, Smooth, Vascular; Norepinephrine; Phentolamine; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Tranylcypromine; Yohimbine | 1987 |
Adrenergic and prostanoid mechanisms in control of cerebral blood flow in hypotensive newborn pigs.
Topics: Animals; Animals, Newborn; Blood Pressure; Brain; Carbon Dioxide; Cerebrovascular Circulation; Hemorrhage; Hypotension; Indomethacin; Oxygen; Oxygen Consumption; Prazosin; Prostaglandins; Swine; Vascular Resistance; Yohimbine | 1988 |
Centrally administered thyrotropin-releasing hormone in the regulation of regional blood flow to brown adipose tissue in rats.
Topics: Adipose Tissue, Brown; Adrenal Medulla; Animals; Blood Pressure; Catecholamines; Denervation; Heart Rate; Injections, Intraventricular; Male; Prazosin; Rats; Rats, Inbred Strains; Regional Blood Flow; Thyrotropin-Releasing Hormone; Yohimbine | 1988 |
The effects of EGTA on vascular smooth muscle contractility in calcium-free medium.
Topics: Animals; Calcium; Culture Media; Dogs; Egtazic Acid; Mesenteric Arteries; Muscle Contraction; Muscle, Smooth, Vascular; Nifedipine; Phenylephrine; Prazosin; Time Factors; Yohimbine | 1988 |
Comparison of the responses to drugs acting on adrenoreceptors and muscarinic receptors in human isolated corpus cavernosum and cavernous artery.
Topics: Acetylcholine; Aged; Carbachol; Clonidine; Electric Stimulation; Ethanolamines; Humans; In Vitro Techniques; Isoproterenol; Male; Middle Aged; Muscle Contraction; Muscle Relaxation; Muscle, Smooth, Vascular; Norepinephrine; Penis; Phenylephrine; Practolol; Prazosin; Prenalterol; Procaterol; Receptors, Adrenergic; Receptors, Muscarinic; Yohimbine | 1985 |
[Calcium antagonistic action of corynanthine in isolated guinea pig left atria].
Topics: Animals; Calcium Channel Blockers; Depression, Chemical; Dose-Response Relationship, Drug; Female; Guinea Pigs; Heart Atria; In Vitro Techniques; Male; Myocardial Contraction; Prazosin; Propranolol; Yohimbine | 1988 |
Coronary dilation with carotid chemoreceptor stimulation in cardiac-denervated dogs.
Topics: Animals; Atropine; Blood Pressure; Carotid Sinus; Chemoreceptor Cells; Coronary Circulation; Coronary Vessels; Denervation; Dogs; Heart; Heart Rate; Hemodynamics; Prazosin; Propranolol; Reference Values; Respiration; Vascular Resistance; Vasodilation; Yohimbine | 1988 |
Effect of alpha-adrenergic blocking agents on uterine activity in the ewe at the end of gestation.
Topics: Animals; Electromyography; Female; Labor, Obstetric; Myometrium; Prazosin; Pregnancy; Pregnancy, Animal; Sheep; Uterine Contraction; Yohimbine | 1988 |
Selective blockade by nifedipine of 'purinergic' rather than adrenergic nerve-mediated vasopressor responses in the pithed rat.
Topics: Adenosine Triphosphate; Animals; Decerebrate State; Gallamine Triethiodide; Halothane; Nifedipine; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Purinergic; Sympathetic Nervous System; Vasoconstrictor Agents; Yohimbine | 1988 |
Evaluation of antagonists of the discriminative stimulus and response rate effects of phencyclidine.
Topics: Animals; Conditioning, Operant; Discrimination Learning; Dose-Response Relationship, Drug; Male; Phencyclidine; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1988 |
Contraction of urinary bladder by central norepinephrine originating in the locus coeruleus.
Topics: Animals; Cats; Electric Stimulation; Hypogastric Plexus; Levodopa; Locus Coeruleus; Muscle Contraction; Norepinephrine; Phentolamine; Prazosin; Pressure; Reserpine; Sotalol; Urinary Bladder; Yohimbine | 1988 |
Pressor mechanisms linked obligatorily to spontaneous hypertension in the rat.
Topics: Animals; Blood Pressure; Electric Stimulation; Female; Hypertension; Male; Methoxamine; Norepinephrine; Prazosin; Rats; Rats, Inbred SHR; Rats, Inbred Strains; Rats, Inbred WKY; Sympathetic Nervous System; Yohimbine | 1988 |
Role of adrenoceptors and dopamine receptors in modulating left ventricular diastolic function.
Topics: Animals; Diastole; Dobutamine; Dogs; Domperidone; Dopamine; Hemodynamics; Myocardial Contraction; Prazosin; Receptors, Adrenergic; Receptors, Dopamine; Systole; Ventricular Function; Yohimbine | 1988 |
Pharmacological nature of newer imidazoli(di)nes on rat anococcygeus muscle.
Topics: Animals; Clonidine; Imidazoles; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1988 |
Evidence for a spinal site of action of clonidine on somatic and viscerosomatic reflex activity evoked on the pudendal nerve in cats.
Topics: Action Potentials; Animals; Cats; Clonidine; Dose-Response Relationship, Drug; Evoked Potentials; Female; Male; Prazosin; Reflex; Spinal Cord; Urethra; Urinary Bladder; Yohimbine | 1988 |
Effect of histamine on the airway smooth muscle of cats under control and inflammatory conditions.
Topics: Animals; Cats; Female; Histamine; In Vitro Techniques; Lung; Male; Muscle Contraction; Muscle, Smooth; Pneumonia; Prazosin; Yohimbine | 1988 |
Neurochemical and autonomic pharmacological profiles of the 6-aza-analogue of mianserin, Org 3770 and its enantiomers.
Topics: Animals; Antidepressive Agents, Tricyclic; Autonomic Nervous System; Binding, Competitive; Cerebral Cortex; Corpus Striatum; In Vitro Techniques; Male; Mianserin; Mirtazapine; Norepinephrine; Prazosin; Quinuclidinyl Benzilate; Rats; Rats, Inbred Strains; Serotonin; Spiperone; Stereoisomerism; Synaptosomes; Yohimbine | 1988 |
Age-related variation of EEG responses to clonidine, prazosin and yohimbine in rats.
Topics: Aging; Animals; Brain; Clonidine; Electroencephalography; Electrophysiology; Prazosin; Rats; Yohimbine | 1987 |
Effects of serotonin and noradrenaline uptake blockers on wakefulness and sleep in cats.
Topics: Animals; Cats; Citalopram; Electroencephalography; Indans; Male; Norepinephrine; Phentolamine; Prazosin; Propranolol; Propylamines; Serotonin Antagonists; Sleep; Sympatholytics; Wakefulness; Yohimbine | 1987 |
Relaxant effect of dopamine on isolated rabbit pulmonary artery.
Topics: 2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepine; Animals; Apomorphine; Benzazepines; Dinoprost; Dopamine; Dopamine Antagonists; Dose-Response Relationship, Drug; Ergolines; Female; Male; Methysergide; Muscle Contraction; Muscle Relaxation; Muscle, Smooth, Vascular; Prazosin; Propranolol; Prostaglandins F; Pulmonary Artery; Quinpirole; Rabbits; Vasodilation; Yohimbine | 1986 |
Effects of splanchnic nerve stimulation and of clonidine on gastric and duodenal HCO3- secretion in the anaesthetized cat.
Topics: Animals; Bicarbonates; Cats; Clonidine; Duodenum; Electric Stimulation; Female; Gastric Acid; Gastrointestinal Motility; Intestinal Secretions; Male; Prazosin; Splanchnic Nerves; Vagus Nerve; Yohimbine | 1987 |
[Effects of clonidine on the levels of cyclic nucleotides in rat brain regions: the change in cyclic nucleotides after clonidine alone or in combination with alpha-antagonists].
Topics: Animals; Blood Pressure; Brain Chemistry; Clonidine; Drug Interactions; Heart Rate; Male; Nucleotides, Cyclic; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1987 |
Pre- and postjunctional adrenoceptor types in the circular muscle of the guinea-pig caecum.
Topics: Animals; Cecum; Drug Interactions; Electric Stimulation; Evoked Potentials; Female; Guinea Pigs; In Vitro Techniques; Isoproterenol; Male; Muscle, Smooth; Norepinephrine; Phentolamine; Phenylephrine; Prazosin; Propranolol; Receptors, Adrenergic; Temperature; Yohimbine | 1987 |
Bleeding-induced decrease in duodenal HCO3- secretion in the rat is mediated via alpha 2-adrenoceptors.
Topics: Animals; Bicarbonates; Duodenum; Guanethidine; Hemorrhage; Male; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Secretory Rate; Sympatholytics; Yohimbine | 1987 |
Endothelium-dependent vasocontraction in response to noradrenaline in the canine cerebral artery.
Topics: Animals; Aspirin; Cerebral Arteries; Dogs; Endothelium; Female; In Vitro Techniques; Male; Methacrylates; Norepinephrine; Prazosin; Serotonin; Thromboxane A2; Thromboxane-A Synthase; Vasoconstriction; Yohimbine | 1987 |
[Action of yohimbine and prazosin on the biliary secretion in the rat].
Topics: Animals; Bile; Bile Acids and Salts; Bilirubin; Male; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1987 |
Modulation of p,p'-DDT-induced tremor by catecholaminergic agents.
Topics: Animals; Apomorphine; Clonidine; DDT; Dopamine; Haloperidol; Male; Norepinephrine; Phenoxybenzamine; Prazosin; Propranolol; Rats; Rats, Inbred F344; Tremor; Yohimbine | 1987 |
Participation of adrenoceptors in liver blood flow regulation in anesthetized dogs.
Topics: Animals; Blood Pressure; Constriction; Dogs; Female; Liver; Male; Portal Vein; Prazosin; Propranolol; Receptors, Adrenergic; Reference Values; Regional Blood Flow; Vascular Resistance; Yohimbine | 1987 |
Adrenoreceptor mobilization of calcium in rat submandibular cells.
Topics: Animals; Calcium; Calcium Radioisotopes; Carbachol; Cytosol; Epinephrine; In Vitro Techniques; Isoproterenol; Male; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Submandibular Gland; Yohimbine | 1987 |
A reassessment of the binding of [3H]rauwolscine to membranes from the rat cortex.
Topics: Animals; Binding, Competitive; Cerebral Cortex; In Vitro Techniques; Kinetics; Male; Membranes; Prazosin; Rats; Rats, Inbred Strains; Spiperone; Yohimbine | 1986 |
Vascular responsiveness of simian digital artery to various vasoactive substances.
Topics: Animals; Arteries; Catheterization; Dose-Response Relationship, Drug; Female; Fingers; Macaca; Male; Norepinephrine; Prazosin; Regional Blood Flow; Serotonin; Skin; Yohimbine | 1986 |
Cardiovascular effects of perfusion of the rostral rat hypothalamus with clonidine: differential interactions with prazosin and yohimbine.
Topics: Animals; Blood Pressure; Clonidine; Drug Interactions; Heart Rate; Hemodynamics; Hypothalamus; Male; Perfusion; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1986 |
Evidence that endogenous catecholamines can regulate acetylcholine release in a sympathetic ganglion.
Topics: Acetylcholine; Animals; Cats; Clonidine; Electric Stimulation; Female; Ganglia, Sympathetic; Male; Norepinephrine; Phentolamine; Prazosin; Yohimbine | 1986 |
Electrophysiological effects of the enantiomers of 3-PPP on neurons in the locus coeruleus of the rat.
Topics: Animals; Dose-Response Relationship, Drug; Electrophysiology; Haloperidol; Injections, Intravenous; Iontophoresis; Locus Coeruleus; Male; Neurons; Piperidines; Prazosin; Rats; Rats, Inbred Strains; Stereoisomerism; Yohimbine | 1986 |
Sympathetic purinergic vasoconstriction and thermosensitivity in a canine cutaneous vein.
Topics: Animals; Dogs; Electric Stimulation; Female; Isometric Contraction; Male; Norepinephrine; Phenylephrine; Prazosin; Purines; Skin; Sympathetic Nervous System; Temperature; Tetrodotoxin; Vasoconstriction; Veins; Yohimbine | 1986 |
Neuroeffector function in mesenteric arteries isolated from beagles of different ages.
Topics: Aging; Angiotensin II; Animals; Dogs; Female; Male; Mesenteric Arteries; Muscle Contraction; Norepinephrine; Potassium; Prazosin; Serotonin; Vasoconstriction; Yohimbine | 1987 |
Regulation of Na-Cl absorption in rabbit proximal colon in vitro.
Topics: 4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic Acid; Animals; Bumetanide; Colon; Epinephrine; Furosemide; In Vitro Techniques; Intestinal Absorption; Kinetics; Male; Prazosin; Propranolol; Rabbits; Sodium Chloride; Yohimbine | 1987 |
Effects of 1-[2-ethoxy-2-(3'-pyridyl)ethyl]-4-(2'-methoxyphenyl)piperazine (IP-66), prazosin, yohimbine and dihydroergotoxine mesylate on the vasoconstriction of rat mesenteric artery induced by electric stimulation and exogenous norepinephrine.
Topics: Animals; Dihydroergotoxine; Electric Stimulation; In Vitro Techniques; Male; Mesenteric Arteries; Norepinephrine; Piperazines; Prazosin; Propranolol; Quinazolines; Rats; Rats, Inbred Strains; Vasoconstriction; Vasoconstrictor Agents; Yohimbine | 1985 |
The significance of adrenaline-induced potentiation of electrogenic sodium pumping in bullfrog sympathetic ganglia.
Topics: Animals; Clonidine; Epinephrine; Ganglia, Sympathetic; Kinetics; Methoxamine; Ouabain; Potassium; Prazosin; Propranolol; Rana catesbeiana; Sodium; Sucrose; Yohimbine | 1985 |
Role of endothelium in the contractions induced by norepinephrine and clonidine in rat aorta.
Topics: Angiotensin II; Animals; Aorta, Thoracic; Clonidine; Endothelium; In Vitro Techniques; Indomethacin; Male; Methylene Blue; Muscle Contraction; Muscle, Smooth, Vascular; Nitric Oxide; Norepinephrine; Potassium; Prazosin; Quinacrine; Rats; Rats, Inbred Strains; Tetraethylammonium Compounds; Vasodilator Agents; Yohimbine | 1985 |
Dopamine agonist action in mesolimbic, cortical and extrapyramidal areas to modify spontaneous climbing behaviour of the mouse.
Topics: Animals; Apomorphine; Cerebral Cortex; Dopamine; Dose-Response Relationship, Drug; Extrapyramidal Tracts; Female; Haloperidol; Limbic System; Mice; Motor Activity; Prazosin; Sulpiride; Yohimbine | 1985 |
Alterations in the arrhythmogenic dose of epinephrine after adrenergic receptor blockade with prazosin, metoprolol, or yohimbine in halothane-xylazine-anesthetized dogs.
Topics: Anesthesia; Animals; Arrhythmias, Cardiac; Dogs; Dose-Response Relationship, Drug; Epinephrine; Female; Halothane; Male; Metoprolol; Prazosin; Receptors, Adrenergic; Xylazine; Yohimbine | 1986 |
Effects of amosulalol on the electrical responses of guinea-pig vascular smooth muscle to adrenoceptor activation.
Topics: Animals; Electrophysiology; Ethanolamines; Female; Guinea Pigs; In Vitro Techniques; Isoproterenol; Male; Membrane Potentials; Mesenteric Arteries; Mesenteric Veins; Motor Endplate; Muscle, Smooth, Vascular; Norepinephrine; Phentolamine; Portal Vein; Prazosin; Receptors, Adrenergic; Sympatholytics; Yohimbine | 1985 |
Effect of prazosin and yohimbine on systolic blood pressure and on renal norepinephrine content in DOCA-salt rats.
Topics: Animals; Blood Pressure; Desoxycorticosterone; Drug Interactions; Hypertension; Kidney; Male; Norepinephrine; Prazosin; Quinazolines; Rats; Rats, Inbred Strains; Sodium Chloride; Yohimbine | 1985 |
Monoaminergic and local anesthetic components of cocaine's effects on kindled seizure expression.
Topics: Amphetamine; Anesthetics, Local; Animals; Biogenic Amines; Cocaine; Drug Interactions; Haloperidol; Kindling, Neurologic; Lidocaine; Male; Metergoline; Prazosin; Propranolol; Rats; Seizures; Yohimbine | 1985 |
Prazosin but not rauwolscine reduces a component of the constrictor action of thrombin in the rabbit femoral artery.
Topics: Animals; Dose-Response Relationship, Drug; In Vitro Techniques; Norepinephrine; Prazosin; Rabbits; Thrombin; Vasoconstrictor Agents; Yohimbine | 1985 |
The functional importance of cerebral noradrenergic processes for the activating action of nootropic drugs in the behavioural despair test in mice.
Topics: Animals; Behavior, Animal; Brain; Clonidine; Dextroamphetamine; Immobilization; Male; Mice; Norepinephrine; Prazosin; Yohimbine | 1985 |
Perfusion with calcium free solution potentiates prazosin blockade of noradrenaline induced pressor responses in the mesenteric bed of the rat.
Topics: Animals; Blood Pressure; Calcium; Dose-Response Relationship, Drug; Drug Synergism; Male; Mesenteric Arteries; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1985 |
Cerebral and renal alpha-adrenoceptors in Sabra hypertensive (SBH) and normotensive (SBN) rats: effects of high-sodium diet.
Topics: Animals; Brain; Hypertension; Kidney; Kidney Cortex; Kinetics; Male; Membranes; Prazosin; Rats; Receptors, Adrenergic, alpha; Sodium; Time Factors; Yohimbine | 1984 |
Sympathetic nervous system in essential hypertension and antihypertensive response to alpha 2-adrenoceptor stimulation.
Topics: Adrenergic alpha-Agonists; Antihypertensive Agents; Clonidine; Humans; Hypertension; Norepinephrine; Prazosin; Regional Blood Flow; Sympathetic Nervous System; Vasoconstriction; Yohimbine | 1984 |
Renal alpha 1- and alpha 2-adrenoceptor mediated vasoconstriction in dogs: comparison of phenylephrine, clonidine, and guanabenz.
Topics: Animals; Calcium; Clonidine; Denervation; Dogs; Drug Interactions; Female; Guanabenz; Guanidines; Kidney; Male; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Renal Circulation; Vasoconstriction; Verapamil; Yohimbine | 1984 |
Regulation of myocardial and vascular alpha-adrenergic receptor affinity. Effects of guanine nucleotides, cations, estrogen, and catecholamine depletion.
Topics: Animals; Dioxanes; Epinephrine; Estrogens; Guanine Nucleotides; Heart; Male; Muscle, Smooth, Vascular; Prazosin; Radioligand Assay; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sodium; Yohimbine | 1984 |
Alpha-2 adrenoceptors modulate [3H]dopamine release from rabbit retina.
Topics: Animals; Calcium; Clonidine; Dopamine; Electric Stimulation; Epinephrine; Nomifensine; Norepinephrine; Phentolamine; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Retina; Yohimbine | 1984 |
Antagonism by antidepressants of neurotransmitter receptors of normal human brain in vitro.
Topics: Antidepressive Agents; Binding, Competitive; Brain; Doxepin; Humans; Prazosin; Radioligand Assay; Receptors, Adrenergic, alpha; Receptors, Cholinergic; Receptors, Dopamine; Receptors, Histamine H1; Receptors, Neurotransmitter; Spiperone; Yohimbine | 1984 |
Alpha-1 adrenoceptor selectivity of phenoxybenzamine in the rat kidney.
Topics: Animals; Binding, Competitive; Blood Pressure; Dose-Response Relationship, Drug; Glomerular Filtration Rate; Kidney; Male; Natriuresis; Norepinephrine; Phenoxybenzamine; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Vasopressins; Yohimbine | 1984 |
Induction of Ca++ influx and intracellular Ca++ release in isolated rat aorta and mesenteric resistance vessels by norepinephrine activation of alpha-1 receptors.
Topics: Animals; Aorta; Calcium; Mesenteric Arteries; Mesenteric Veins; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1984 |
The subtype of alpha-adrenoceptor involved in the neural control of renal tubular sodium reabsorption in the rabbit.
Topics: Absorption; Animals; Diuresis; Glomerular Filtration Rate; In Vitro Techniques; Kidney; Kidney Tubules; Prazosin; Receptors, Adrenergic, alpha; Renal Circulation; Sodium; Yohimbine | 1984 |
Adrenaline toxicity in mice: sensitization of alpha 1 adrenoreceptors by nitroglycerin.
Topics: Angina Pectoris; Animals; Coronary Vessels; Epinephrine; Humans; Male; Mice; Mice, Inbred Strains; Nitroglycerin; Prazosin; Receptors, Adrenergic, alpha; Substance Withdrawal Syndrome; Yohimbine | 1984 |
Effects of 2-[(5-chloro-2-methoxyphenyl)azo]-1H-imidazole (M6434), a new alpha-adrenoceptor agonist, on pre- and postsynaptic alpha-adrenoceptors in canine mesenteric artery.
Topics: Animals; Dogs; Female; Imidazoles; Male; Mesenteric Arteries; Norepinephrine; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 1984 |
Possible relationship between receptor reserve and the differential antagonism of alpha-1 and alpha-2 adrenoceptor-mediated pressor responses by calcium channel antagonists in the pithed rat.
Topics: Animals; Aorta, Thoracic; Azepines; Blood Pressure; Decerebrate State; Diltiazem; Dose-Response Relationship, Drug; Imidazoles; Male; Muscle Contraction; Phenoxybenzamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1984 |
Characterization of postjunctional alpha-1 and alpha-2 adrenoceptors activated by exogenous or nerve-released norepinephrine in the canine saphenous vein.
Topics: Animals; Clonidine; Dogs; Dose-Response Relationship, Drug; Electric Stimulation; Female; Imidazoles; Male; Methoxamine; Norepinephrine; Phenoxybenzamine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Saphenous Vein; Sympathetic Nervous System; Tyramine; Yohimbine | 1984 |
Presence of presynaptic inhibitory alpha 1-adrenoceptors in the cardiac sympathetic nerves of the dog: effects of prazosin and yohimbine on sympathetic neurotransmission to the heart.
Topics: Animals; Clonidine; Dogs; Female; Heart Rate; Male; Methoxamine; Myocardium; Norepinephrine; Prazosin; Quinazolines; Receptors, Adrenergic, alpha; Stellate Ganglion; Sympathetic Nervous System; Synaptic Transmission; Tachycardia; Yohimbine | 1984 |
Isolation and partial purification of a clonidine-displacing endogenous brain substance.
Topics: Adenylyl Cyclase Inhibitors; Animals; Binding, Competitive; Blood Platelets; Brain Chemistry; Cattle; Chromatography; Clonidine; Electrophoresis, Agar Gel; Erythrocytes; Humans; Imidazoline Receptors; In Vitro Techniques; Iodocyanopindolol; Molecular Weight; Pindolol; Prazosin; Rats; Receptors, Adrenergic, alpha; Receptors, Adrenergic, alpha-2; Turkeys; Yohimbine | 1984 |
Functional characterization of the pre- and postjunctional alpha-adrenoceptors in the in situ perfused rat mesenteric vascular bed.
Topics: Animals; Blood Pressure; Electric Stimulation; Imidazoles; Male; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Splanchnic Circulation; Synaptic Transmission; Yohimbine | 1984 |
An in vivo study of the alpha-adrenoreceptor subtypes on the renal vasculature of the anaesthetized rabbit.
Topics: Anesthesia; Animals; Blood Pressure; Electric Stimulation; Kidney; Male; Muscle, Smooth, Vascular; Phentolamine; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Renal Circulation; Vasoconstriction; Yohimbine | 1984 |
Norepinephrine stimulation of phosphoinositide hydrolysis in rat cerebral cortex is associated with the alpha1-adrenoceptor.
Topics: Animals; Cerebral Cortex; Clonidine; Hydrolysis; Isoproterenol; Male; Norepinephrine; Phenylephrine; Phosphatidylinositols; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1984 |
Inhibitory presynaptic effect of noradrenaline on the hypogastric ganglion of the guinea pig.
Topics: Acetylcholine; Animals; Clonidine; Electric Stimulation; Ganglia, Sympathetic; Guinea Pigs; In Vitro Techniques; Isoproterenol; Male; Neurosecretory Systems; Norepinephrine; Phentolamine; Phenylephrine; Prazosin; Propranolol; Synaptic Transmission; Vas Deferens; Yohimbine | 1984 |
Lack of specific (3H) prazosin binding sites in dog and rabbit cerebral arteries.
Topics: Animals; Arteries; Cerebral Arteries; Dogs; Ear; Female; Male; Prazosin; Quinazolines; Quinuclidinyl Benzilate; Rabbits; Receptors, Adrenergic, alpha; Receptors, Muscarinic; Yohimbine | 1984 |
Evidence for alpha 2 adrenergic receptors in bovine cerebral arteries.
Topics: Animals; Arachnoid; Binding Sites; Cattle; Cerebral Arteries; In Vitro Techniques; Pia Mater; Prazosin; Receptors, Adrenergic, alpha; Sympathomimetics; Yohimbine | 1984 |
Participation of central alpha-receptors on hemodynamic response to E. coli endotoxin.
Topics: Animals; Blood Pressure; Dogs; Endotoxins; Escherichia coli; Female; Heart Rate; Kinetics; Male; Prazosin; Quinazolines; Receptors, Adrenergic, alpha; Renal Circulation; Time Factors; Yohimbine | 1984 |
Receptor binding profile of tibalosine, a new antihypertensive.
Topics: Animals; Antihypertensive Agents; Binding, Competitive; Guinea Pigs; In Vitro Techniques; Ion Channels; Phentolamine; Prazosin; Propanolamines; Rats; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Receptors, Cell Surface; Receptors, Cholinergic; Receptors, Dopamine; Receptors, GABA-A; Receptors, Opioid; Receptors, Opioid, mu; Receptors, Serotonin; Yohimbine | 1984 |
Age and day-night changes in clonidine-induced analgesia in mice.
Topics: Age Factors; Analgesia; Animals; Circadian Rhythm; Clonidine; Male; Mice; Mice, Inbred Strains; Prazosin; Receptors, Adrenergic, alpha; Receptors, Opioid; Yohimbine | 1984 |
Nifedipine and alpha adrenoceptors in rat aorta. II. Role of extracellular calcium in enhanced alpha-2 adrenoceptor-mediated contraction in diabetes.
Topics: Animals; Aorta; Calcium; Clonidine; Diabetes Mellitus, Experimental; Dose-Response Relationship, Drug; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Nifedipine; Norepinephrine; Potassium Chloride; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1984 |
Role of alpha 1- and alpha 2-adrenergic receptors in the growth hormone and prolactin response to insulin-induced hypoglycemia in man.
Topics: Adult; Blood Pressure; Growth Hormone; Heart Rate; Humans; Hypoglycemia; Insulin; Male; Phentolamine; Prazosin; Prolactin; Receptors, Adrenergic, alpha; Yohimbine | 1984 |
Alpha-adrenoceptors, 5-hydroxytryptamine receptors and the action of dihydroergotamine in human venous preparations obtained during saphenectomy procedures for varicose veins.
Topics: Cocaine; Dihydroergotamine; Humans; In Vitro Techniques; Norepinephrine; Pizotyline; Prazosin; Receptors, Adrenergic, alpha; Receptors, Serotonin; Saphenous Vein; Vasoconstriction; Yohimbine | 1984 |
Different characteristics of postjunctional alpha-adrenoceptors on arterial and venous smooth muscle.
Topics: Animals; Arteries; Dogs; Guinea Pigs; In Vitro Techniques; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Receptors, Neurotransmitter; Veins; Yohimbine | 1984 |
alpha 2 and alpha 1-Adrenoceptors mediate opposing actions on parasympathetic neurons.
Topics: Animals; Cats; Clonidine; Drug Interactions; Ganglia, Parasympathetic; In Vitro Techniques; Norepinephrine; Phentolamine; Prazosin; Receptors, Adrenergic, alpha; Urinary Bladder; Yohimbine | 1984 |
Postsynaptic alpha-adrenoreceptor populations in several vascular systems of the anaesthetized rat.
Topics: Anesthesia; Animals; Azepines; Blood Pressure; Electric Stimulation; Hindlimb; Male; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Neurotransmitter; Regional Blood Flow; Splanchnic Circulation; Yohimbine | 1984 |
Affinity of WY 26703 for central and peripheral alpha 1- and alpha 2-adrenoreceptors in the rat; comparison with yohimbine.
Topics: Animals; Azepines; Binding, Competitive; Blood Pressure; Clonidine; In Vitro Techniques; Male; Methoxamine; Muscle, Smooth, Vascular; Myocardium; Prazosin; Quinolizines; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1984 |
Pharmacological evidence that central alpha 2-adrenoceptors are involved in cardiovascular responses to intravenously injected enkephalins in anesthetized dogs.
Topics: Anesthesia, General; Animals; Blood Pressure; Brain Stem; Cardiovascular System; Dogs; Enkephalin, Leucine; Enkephalin, Methionine; Heart Rate; Injections; Injections, Intravenous; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 1984 |
Increased density of (3H)-yohimbine binding sites in spontaneously hypertensive rat mesenteric artery.
Topics: Animals; Cell Membrane; Male; Mesenteric Arteries; Prazosin; Radioligand Assay; Rats; Rats, Inbred SHR; Rats, Inbred Strains; Rats, Inbred WKY; Receptors, Adrenergic, alpha; Tritium; Yohimbine | 1984 |
Adrenaline induces vasoconstriction through post-junctional alpha 2 adrenoceptors and this response is enhanced in patients with essential hypertension.
Topics: Adult; Epinephrine; Female; Forearm; Humans; Hypertension; Male; Middle Aged; Nitroprusside; Prazosin; Propranolol; Receptors, Adrenergic, alpha; Regional Blood Flow; Vasoconstriction; Vasodilation; Yohimbine | 1984 |
Effects of exogenous adrenaline and noradrenaline on vascular postsynaptic alpha 1- and alpha 2-adrenoceptors in man.
Topics: Adult; Blood Vessels; Dose-Response Relationship, Drug; Doxazosin; Epinephrine; Forearm; Humans; Male; Norepinephrine; Prazosin; Receptors, Adrenergic, alpha; Regional Blood Flow; Sodium Chloride; Vasoconstriction; Vasodilator Agents; Yohimbine | 1984 |
Renal alpha 1- and alpha 2-adrenoceptor mediated vasoconstriction in dogs.
Topics: Animals; Calcium; Clonidine; Dogs; Dose-Response Relationship, Drug; Guanabenz; Kidney; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Renal Circulation; Vasoconstriction; Verapamil; Yohimbine | 1984 |
Dietary sodium regulation of alpha 2-adrenoceptors in Sabra hypertensive (SHB) and normotensive (SBN) rats.
Topics: Animals; Cerebral Cortex; Hypertension; Kidney Cortex; Male; Prazosin; Radioligand Assay; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sodium Chloride; Time Factors; Yohimbine | 1984 |
Postsynaptic alpha 2-adrenoceptors mediate pressor responses to 2-N,N-dimethylamino-5,6-dihydroxy-1,2,3,4-tetrahydronaphthalene (M-7).
Topics: Adrenergic alpha-Agonists; Animals; Blood Pressure; Dose-Response Relationship, Drug; Heart Rate; Male; Naphthols; Phenylephrine; Prazosin; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1980 |
Pre- and postsynaptic alpha-adrenoceptor antagonists: differentiated cardiovascular effects in the rat.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Pressure; Clonidine; Heart Rate; Injections, Intravenous; Injections, Intraventricular; Male; Pentobarbital; Phenoxybenzamine; Phentolamine; Prazosin; Premedication; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1980 |
The effect of prazosin on the guinea-pig ileum.
Topics: Adrenergic alpha-Antagonists; Animals; Electric Stimulation; Female; Guinea Pigs; Ileum; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth; Norepinephrine; Phentolamine; Prazosin; Quinazolines; Yohimbine | 1980 |
Presence of postsynaptic alpha 2-adrenoreceptors of predominantly extrasynaptic location in the vascular smooth muscle of the dog hind limb.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Pressure; Dogs; Electric Stimulation; Hindlimb; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Sympathetic Nervous System; Yohimbine | 1980 |
Cardiovascular effects of 2-(NN-dimethyl)amino-6,7-dihydroxy-1,2,3,4 tetrahydronaphthalene in pithed rats: differential antagonism by yohimbine and prazosin.
Topics: Adrenergic alpha-Agonists; Animals; Blood Pressure; Dose-Response Relationship, Drug; Heart Rate; Male; Naphthols; Prazosin; Quinazolines; Rats; Receptors, Adrenergic, alpha; Tetrahydronaphthalenes; Yohimbine | 1980 |
Involvement of central alpha 2-adrenoceptors in the mediation of clonidine-induced hypotension in the cat.
Topics: Animals; Blood Pressure; Cats; Clonidine; Female; Hypotension; Prazosin; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1980 |
Role of alpha 1- and alpha 2-adrenoceptors in the modulation of the baroreflex vagal bradycardia.
Topics: Adrenergic alpha-Antagonists; Animals; Bradycardia; Dogs; Female; Male; Phenylephrine; Prazosin; Pressoreceptors; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Reflex; Vagus Nerve; Yohimbine | 1981 |
[Classification of alpha receptors].
Topics: Adrenergic alpha-Antagonists; Epinephrine; Humans; Norepinephrine; Prazosin; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Yohimbine | 1981 |
Human platelet alpha 2-adrenergic receptors: labeling with 3H-yohimbine, a selective antagonist ligand.
Topics: Adrenergic alpha-Antagonists; Blood Platelets; Catecholamines; Dihydroergotoxine; Dioxanes; Humans; Imidazoles; Kinetics; Magnesium; Prazosin; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1981 |
Determination of subtype selectivity of alpha-adrenergic antagonists: comparison of selective and nonselective radioligands.
Topics: Adrenergic alpha-Antagonists; Animals; Binding, Competitive; Dihydroergotoxine; Female; In Vitro Techniques; Prazosin; Rabbits; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Uterus; Yohimbine | 1981 |
Characterisation of the mechanisms by which purported dopamine agonists reduce spontaneous locomotor activity of mice.
Topics: Animals; Antipsychotic Agents; Apomorphine; Bromocriptine; Catecholamines; Dopamine; Dose-Response Relationship, Drug; Imidazolines; Male; Mice; Motor Activity; Prazosin; Receptors, Dopamine; Spiperone; Tetrahydronaphthalenes; Yohimbine | 1981 |
Differential effects of alpha-adrenergic antagonists on tonic immobility in domestic fowl.
Topics: Adrenergic alpha-Antagonists; Animals; Chickens; Dose-Response Relationship, Drug; Motor Activity; Phentolamine; Prazosin; Yohimbine | 1981 |
alpha 2-Adrenoceptor agonistic effect of B-HT 920 in isolated perfused hindquarters of rats.
Topics: Adrenergic alpha-Agonists; Animals; Azepines; Hindlimb; In Vitro Techniques; Male; Methoxamine; Perfusion; Prazosin; Rats; Yohimbine | 1981 |
Interactions of agonists with platelet alpha 2-adrenergic receptors.
Topics: Adenylyl Cyclases; Adrenergic beta-Agonists; Alprostadil; Binding, Competitive; Blood Platelets; Epinephrine; Guanylyl Imidodiphosphate; Humans; Kinetics; Norepinephrine; Phentolamine; Prazosin; Prostaglandins E; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1982 |
Studies on the mechanism of action of somatostatin on renal gluconeogenesis: evidence for the involvement of alpha 1-adrenergic stimuli.
Topics: Animals; Calcium; Glucagon; Gluconeogenesis; Insulin; Kidney Cortex; Male; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Reserpine; Somatostatin; Yohimbine | 1982 |
Clonidine-induced potentiation of reflex vagal bradycardia in anaesthetized cats.
Topics: Animals; Cats; Cisterna Magna; Clonidine; Drug Interactions; Female; Heart Rate; Injections; Male; Prazosin; Receptors, Adrenergic, alpha; Reflex; Vagus Nerve; Yohimbine | 1982 |
Modulation of central noradrenaline release by postsynaptic receptors.
Topics: alpha-Methyltyrosine; Animals; Brain; Cerebral Cortex; In Vitro Techniques; Indoramin; Methyltyrosines; Norepinephrine; Prazosin; Rats; Receptors, Adrenergic; Synapses; Synaptosomes; Time Factors; Yohimbine | 1982 |
Effects of N-aralkyl substitution of beta-agonists on alpha- and beta-adrenoceptor subtypes: pharmacological studies and binding assays.
Topics: Adrenergic beta-Agonists; Animals; Binding, Competitive; Brain; Male; Membranes; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Structure-Activity Relationship; Yohimbine | 1982 |
Identification of alpha adrenoceptor subtypes in dog arteries by (3H) yohimbine and (3H) prazosin.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Arteries; Binding Sites; Binding, Competitive; Catecholamines; Dogs; Kinetics; Prazosin; Quinazolines; Radioligand Assay; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1982 |
Correlation between phosphatidylinositol labeling and contraction in rabbit aorta: effect of alpha-1 adrenergic activation.
Topics: Adrenergic alpha-Agonists; Animals; Aorta, Thoracic; Epinephrine; Female; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Phosphatidylinositols; Phospholipids; Phosphorus Radioisotopes; Prazosin; Rabbits; Yohimbine | 1982 |
Receptor interactions of imidazolines. IX. Cirazoline is an alpha-1 adrenergic agonist and an alpha-2 adrenergic antagonist.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Electric Stimulation; Guinea Pigs; Imidazoles; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phentolamine; Prazosin; Yohimbine | 1982 |
Differential influences of several alpha-adrenoceptor antagonists on alpha-adrenoceptor-mediated inotropic responses in the left atria of guinea-pigs.
Topics: Adrenergic alpha-Antagonists; Animals; Guinea Pigs; In Vitro Techniques; Myocardial Contraction; Phenoxybenzamine; Phentolamine; Phenylephrine; Prazosin; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1982 |
Biochemical evidence for pharmacological similarities between alpha-adrenoreceptors and voltage-dependent Na+ and Ca++ channels.
Topics: Animals; Calcium; Cnidarian Venoms; In Vitro Techniques; Ion Channels; Kinetics; Phentolamine; Prazosin; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Sodium; Tetrodotoxin; Veratridine; Yohimbine | 1982 |
Dopamine decreases mesenteric blood flow in the anaesthetised dog through the stimulation of postsynaptic alpha 2-adrenoceptors.
Topics: Adrenergic alpha-Agonists; Anesthesia; Animals; Blood Pressure; Cocaine; Dogs; Dopamine; Prazosin; Splanchnic Circulation; Tyramine; Yohimbine | 1982 |
B-HT 958, a new alpha-adrenoceptor agonist with a high pre/postsynaptic activity ratio.
Topics: Adrenergic alpha-Agonists; Animals; Azepines; Blood Pressure; Cats; Electric Stimulation; Heart; Heart Rate; In Vitro Techniques; Male; Methoxamine; Prazosin; Rats; Synapses; Vagotomy; Yohimbine | 1982 |
The alpha 1- and alpha 2-adrenoceptor involvement in the central cardiovascular action of clonidine in the conscious renal hypertensive cat.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Blood-Brain Barrier; Cats; Clonidine; Female; Hemodynamics; Hypertension, Renal; Injections, Intraventricular; Male; Prazosin; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1982 |
[Effects of guanfacine on pre- and postsynaptic alpha-adrenoceptors studied in comparison with those of clonidine].
Topics: Adrenalectomy; Adrenergic alpha-Agonists; Animals; Antihypertensive Agents; Clonidine; Decerebrate State; Guanfacine; Guanidines; Heart Rate; Male; Phentolamine; Phenylacetates; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1982 |
Enhancement of insulin secretion during selective blockade of alpha 1- and alpha 2-adrenoceptors in the rat: effects of somatostatin.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Glucose; Insulin; Male; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Somatostatin; Yohimbine | 1982 |
Modulation of dopaminergic transmission by alpha-noradrenergic agonists and antagonists: evidence for antidopaminergic properties of some alpha antagonists.
Topics: 3,4-Dihydroxyphenylacetic Acid; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Brain; Clonidine; Dopamine; Female; Haloperidol; Homovanillic Acid; Male; Prazosin; Rats; Spiperone; Synaptic Transmission; Yohimbine | 1982 |
Demonstration of alpha-2-adrenoceptor antagonist (yohimbine-like) activity of cirazoline using a hamster fat cell preparation.
Topics: Adipose Tissue; Adrenergic alpha-Antagonists; Animals; Clonidine; Cricetinae; Glycerol; Imidazoles; In Vitro Techniques; Lipolysis; Male; Prazosin; Yohimbine | 1982 |
Reversal of the central hypotensive effect of clonidine by intracisternal curare-like agents.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Pressure; Cisterna Magna; Clonidine; Decamethonium Compounds; Dogs; Female; Gallamine Triethiodide; Hypertension; Male; Neuromuscular Nondepolarizing Agents; Pancuronium; Prazosin; Pressoreceptors; Receptors, Adrenergic, alpha; Stimulation, Chemical; Tubocurarine; Yohimbine | 1983 |
In vitro studies with (imidazolinyl-2)-2-benzodioxane-1-4 ((+/-)-170 150), a new potent alpha 2-adrenoceptor blocking agent.
Topics: Adrenergic alpha-Antagonists; Animals; Binding, Competitive; Brain; Clonidine; Dioxins; Idazoxan; In Vitro Techniques; Male; Muscle Contraction; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1982 |
Selective antagonism of the antinociceptive effect of intrathecally applied alpha adrenergic agonists by intrathecal prazosin and intrathecal yohimbine.
Topics: Adrenergic alpha-Agonists; Analgesics; Animals; Clonidine; Hot Temperature; Hydroxydopamines; Injections, Spinal; Male; Methoxamine; Norepinephrine; Oxidopamine; Prazosin; Quinazolines; Rats; Rats, Inbred Strains; Spinal Cord; Yohimbine | 1983 |
CGS 7525A, a new, centrally active alpha 2 adrenoceptor antagonist.
Topics: Adrenergic alpha-Antagonists; Animals; Benzodiazepines; Chemical Phenomena; Chemistry; Clonidine; Male; Mesencephalon; Mianserin; Norepinephrine; Prazosin; Quinones; Rats; Rats, Inbred Strains; Spiperone; Yohimbine | 1983 |
The effect of alpha- and beta-adrenoceptor antagonist agents on reperfusion ventricular fibrillation and metabolic status in the isolated perfused rat heart.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Arterial Occlusive Diseases; Atenolol; Coronary Circulation; Coronary Disease; Isoproterenol; Metoprolol; Perfusion; Phentolamine; Prazosin; Propranolol; Rats; Time Factors; Ventricular Fibrillation; Yohimbine | 1983 |
alpha 2-Adrenoceptor agonist properties of exo- and endo-isomers of 2-amino-6,7,dihydroxybenzonorbornene designed as rigid catecholamines.
Topics: Adrenergic alpha-Agonists; Animals; Catecholamines; Chemical Phenomena; Chemistry, Physical; Guinea Pigs; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth; Norbornanes; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Spinal Cord; Stereoisomerism; Yohimbine | 1983 |
Postsynaptic alpha-adrenoceptors in the hypertensive rat: studies on vascular reactivity in vivo and receptor binding in vitro.
Topics: Adrenergic alpha-Antagonists; Animals; Binding Sites; Blood Pressure; Depression, Chemical; Dose-Response Relationship, Drug; Hypertension; In Vitro Techniques; Male; Prazosin; Quinazolines; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Sodium; Vasoconstrictor Agents; Yohimbine | 1983 |
Re-evaluation of the selectivity of 2-N,N-dimethylamino-5,6-dihydroxy-1,2,3, 4-tetrahydronaphthalene (M-7) as an agonist of postjunctional alpha-2 adrenoceptors in the pithed normotensive rat.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Pressure; Dose-Response Relationship, Drug; Heart Rate; Male; Naphthols; Prazosin; Pressoreceptors; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Vasomotor System; Yohimbine | 1983 |
Pharmacology of postsynaptic alpha-adrenoreceptors in the mouse anococcygeus muscle.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Hydroxydopamines; In Vitro Techniques; Male; Mice; Muscle Contraction; Muscle, Smooth; Oxidopamine; Phentolamine; Prazosin; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1983 |
Antihypertensive 9-substituted 1-oxa-4,9-diazaspiro[5.5]undecan-3-ones.
Topics: Adrenergic alpha-Antagonists; Animals; Antihypertensive Agents; Binding, Competitive; Cerebral Cortex; Norepinephrine; Prazosin; Rats; Spiro Compounds; Structure-Activity Relationship; Yohimbine | 1983 |
Role of the autonomic nervous system in the release of rat submandibular gland kallikrein into the circulation.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Arterial Occlusive Diseases; Autonomic Nervous System; Carotid Artery Diseases; Clonidine; Electric Stimulation; Kallikreins; Male; Prazosin; Rats; Rats, Inbred Strains; Submandibular Gland; Yohimbine | 1983 |
Postsynaptic alpha 2-adrenoceptors predominate over alpha 1-adrenoceptors in canine tracheal smooth muscle and mediate neuronal and hormonal alpha-adrenergic contraction.
Topics: Adrenergic alpha-Agonists; Animals; Cell Membrane; Dogs; Electric Stimulation; Kinetics; Lung; Muscle Contraction; Muscle, Smooth; Prazosin; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Structure-Activity Relationship; Trachea; Yohimbine | 1983 |
The cardiovascular effects of MPV 295 [4(5)-2-(2,6-dimethylphenyl)ethylimidazole], a new antihypertensive agent with alpha 2-adrenoceptor agonistic properties.
Topics: Adrenergic alpha-Agonists; Animals; Antihypertensive Agents; Blood Pressure; Brain; Cardiovascular System; Cats; Clonidine; Heart Rate; Imidazoles; Male; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1983 |
Activation of alpha-adrenergic response in tracheal smooth muscle: a postreceptor mechanism.
Topics: Adrenergic alpha-Agonists; Animals; Biomechanical Phenomena; Dogs; Electric Stimulation; Histamine; In Vitro Techniques; Muscle Contraction; Muscle, Smooth; Prazosin; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Serotonin; Trachea; Yohimbine | 1983 |
Alpha-1 adrenoceptors and calcium in isolated canine coronary arteries.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Calcium; Calcium Channel Blockers; Clonidine; Coronary Vessels; Dogs; Female; Imidazoles; Male; Methoxamine; Muscle Contraction; Norepinephrine; Phenylephrine; Prazosin; Secologanin Tryptamine Alkaloids; Yohimbine | 1983 |
Effects of clonidine on operant behavior and electric shock titration in the squirrel monkey: effects of alpha 2-adrenoreceptor antagonism.
Topics: Adrenergic alpha-Antagonists; Animals; Clonidine; Conditioning, Operant; Dose-Response Relationship, Drug; Electroshock; Male; Prazosin; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Saimiri; Tolazoline; Yohimbine | 1983 |
alpha 1/alpha 2 Selectivity ratio in a series of agonists and their relation to pre/postsynaptic activity ratios.
Topics: Adrenergic alpha-Agonists; Animals; Blood Pressure; Dose-Response Relationship, Drug; Drug Interactions; Male; Prazosin; Rats; Receptors, Adrenergic, alpha; Synapses; Yohimbine | 1983 |
Motor inhibition induced by aporphine derivatives in the mouse.
Topics: Animals; Aporphines; Corpus Striatum; Drug Interactions; In Vitro Techniques; Isoquinolines; Male; Mice; Mice, Inbred Strains; Motor Activity; Prazosin; Rats; Rats, Inbred Strains; Receptors, Dopamine; Spiperone; Tetrahydronaphthalenes; Yohimbine | 1983 |
Evidence for alpha-adrenergic receptors acting through the guanylate cyclase system in human cultured thyroid cells.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Cells, Cultured; Cyclic AMP; Cyclic GMP; Dinoprostone; Epinephrine; Humans; Norepinephrine; Phentolamine; Phenylephrine; Prazosin; Propranolol; Prostaglandins E; Thyroid Gland; Thyrotropin; Yohimbine | 1983 |
Alpha-adrenoceptor subtypes and Ca2+ mobilization in the rabbit ear artery.
Topics: Animals; Calcium; Drug Interactions; Hydroxydopamines; In Vitro Techniques; Male; Muscle, Smooth, Vascular; Norepinephrine; Oxidopamine; Phenylephrine; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Vasoconstriction; Xylazine; Yohimbine | 1983 |
Characterization of postsynaptic alpha-adrenoceptors in rat aortic strips and portal veins.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Aorta; Clonidine; Female; Male; Muscle, Smooth, Vascular; Nordefrin; Oxymetazoline; Phenethylamines; Portal Vein; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Tetralones; Yohimbine | 1983 |
Reduction in norepinephrine content of sympathetic neuroeffector organs by alpha adrenergic antagonists and nerve stimulation: evidence for presynaptic control of sympathetic transmitter release in intact animal.
Topics: Adrenergic alpha-Antagonists; Animals; Bretylium Compounds; Heart; Hydralazine; Male; Norepinephrine; Phentolamine; Prazosin; Rats; Receptors, Adrenergic, alpha; Salivary Glands; Sodium Chloride; Spleen; Sympathetic Nervous System; Synaptic Transmission; Yohimbine | 1984 |
A regional difference in the distribution of postsynaptic alpha-adrenoceptor subtypes in canine veins.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Dogs; Female; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phentolamine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 1983 |
Evidence for a physiological role of presynaptic alpha-adrenoceptors: modulation of noradrenaline release in the pithed rabbit.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Blood Pressure; Clonidine; Desipramine; Electric Stimulation; Epinephrine; Female; Guanethidine; Heart Rate; Male; Nordefrin; Norepinephrine; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Spinal Nerves; Yohimbine | 1983 |
Effects of alpha 1-, alpha 2- and beta-adrenoceptor blockers on insulin secretion in the rat.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Blood Glucose; Insulin; Insulin Secretion; Male; Phentolamine; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Yohimbine | 1984 |
Adrenergic transmission in the dog mesenteric vein and its modulation by alpha-adrenoceptor antagonists.
Topics: Action Potentials; Adrenergic alpha-Antagonists; Animals; Atropine; Dogs; Electric Stimulation; Female; In Vitro Techniques; Male; Mesenteric Veins; Muscle, Smooth, Vascular; Neostigmine; Norepinephrine; Phentolamine; Prazosin; Sympathetic Nervous System; Synaptic Transmission; Yohimbine | 1984 |
alpha- 1 and alpha-2 type adrenoceptors involved in the inhibitory effect of splanchnic nerves on parasympathetically stimulated gastric acid secretion in rats.
Topics: Animals; Bethanechol; Bethanechol Compounds; Clonidine; Electric Stimulation; Gastric Acid; Male; Parasympathetic Nervous System; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Splanchnic Nerves; Vagus Nerve; Yohimbine | 1984 |
Adrenergic receptors in the urethra and prostate of the horse.
Topics: Adrenergic alpha-Agonists; Animals; Azepines; Drug Interactions; Horses; Male; Muscle Contraction; Muscle, Smooth; Norepinephrine; Phenoxybenzamine; Phenylephrine; Prazosin; Prostate; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Urethra; Yohimbine | 1984 |
Interference of calcium entry blockade in vivo with pressor responses to alpha-adrenergic stimulation: effects of two unrelated blockers on responses to both exogenous and endogenously released norepinephrine.
Topics: Adrenergic alpha-Agonists; Animals; Calcium Channel Blockers; Dose-Response Relationship, Drug; Electric Stimulation; Female; Nifedipine; Nitrendipine; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Vasoconstriction; Verapamil; Yohimbine | 1984 |
Differential effects of the calcium entry blocker D 600 on contractions of rat and guinea-pig aortas, elicited by various alpha-1 adrenoceptor agonists.
Topics: Adrenergic alpha-Agonists; Animals; Aorta; Calcium; Dose-Response Relationship, Drug; Gallopamil; Guinea Pigs; In Vitro Techniques; Male; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Species Specificity; Vasoconstriction; Verapamil; Yohimbine | 1984 |
Pharmacological characterization of postjunctional alpha-adrenoceptors in isolated human omental arteries and veins.
Topics: Adolescent; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adult; Aged; Arteries; Clonidine; Female; Humans; Male; Middle Aged; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Omentum; Oxymetazoline; Phenylephrine; Prazosin; Veins; Yohimbine | 1984 |
Effect of clonidine at steady state on blood pressure in spontaneously hypertensive rats. Interaction of various alpha-adrenoceptor antagonists.
Topics: Adrenergic alpha-Antagonists; Animals; Benzimidazoles; Blood Pressure; Clonidine; Dioxanes; Drug Interactions; Hypertension; Male; Phentolamine; Piperazines; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1984 |
The influence of alpha 1- and alpha 2-adrenoceptor agonists on cardiac output in rats and cats.
Topics: Adrenergic alpha-Agonists; Animals; Azepines; Blood Pressure; Cardiac Output; Cats; Dose-Response Relationship, Drug; Drug Interactions; Female; In Vitro Techniques; Male; Methoxamine; Prazosin; Rats; Rats, Inbred Strains; Species Specificity; Sulpiride; Yohimbine | 1984 |
Heterogeneity of smooth muscle alpha adrenoceptors in rat tail artery in vitro.
Topics: Adrenergic alpha-Antagonists; Animals; Dioxanes; Electric Stimulation; Idazoxan; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sympathetic Nervous System; Yohimbine | 1984 |
Assessment of alpha-adrenergic receptor subtypes in isolated rat aortic segments.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Aorta, Thoracic; Azepines; Clonidine; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Naphthols; Norepinephrine; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1984 |
Effects of the application of alpha 1- and alpha 2-adrenoceptor agonists and antagonists into the ventromedial hypothalamus on the sodium and potassium renal excretion.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Dogs; Dose-Response Relationship, Drug; Hypothalamus, Middle; Norepinephrine; Phenylephrine; Potassium; Prazosin; Rabbits; Rats; Sodium; Yohimbine | 1984 |
Studies of the alpha 2-adrenoceptor affinity and the alpha 2- to alpha 1-adrenoceptor selectivity of some substituted benzoquinolizines using receptor-binding techniques.
Topics: 2H-Benzo(a)quinolizin-2-ol, 2-Ethyl-1,3,4,6,7,11b-hexahydro-3-isobutyl-9,10-dimethoxy-; Adrenergic alpha-Antagonists; Animals; Blood Platelets; Cerebral Cortex; Humans; In Vitro Techniques; Male; Prazosin; Quinolizines; Radioligand Assay; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Tritium; Yohimbine | 1984 |
An investigation of presynaptic alpha-adrenoceptor subtypes in the pithed rat heart and in the rat isolated vas deferens.
Topics: Adrenergic alpha-Agonists; Animals; Blood Pressure; Electric Stimulation; Ethanolamines; Heart Rate; Imidazoles; In Vitro Techniques; Isometric Contraction; Male; Muscle Contraction; Muscle, Smooth; Myocardial Contraction; Myocardium; Nifedipine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Synapses; Vas Deferens; Xylazine; Yohimbine | 1984 |
Role of prejunctional alpha 2-adrenergic receptors in the regulation of myocardial performance during exercise in conscious dogs.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Pressure; Coronary Circulation; Dogs; Exercise Test; Heart Rate; Myocardial Contraction; Norepinephrine; Phentolamine; Physical Exertion; Prazosin; Receptors, Adrenergic, alpha; Sympathetic Nervous System; Yohimbine | 1984 |
RX781094 a potent and selective alpha 2-adrenergic antagonist. Effects in adipocytes and hepatocytes.
Topics: Adipose Tissue; Adrenergic alpha-Antagonists; Animals; Cricetinae; Cyclic AMP; Dioxanes; Dioxins; Epinephrine; Idazoxan; In Vitro Techniques; Liver; Prazosin; Rats; Urea; Yohimbine | 1984 |
Competitive antagonism of alpha 1-adrenoceptor mediated pressor responses in the rat mesenteric artery.
Topics: Adrenergic beta-Antagonists; Animals; Binding, Competitive; Blood Pressure; Female; Kinetics; Mesenteric Arteries; Norepinephrine; Phenethylamines; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Tetralones; Yohimbine | 1984 |
The actions of noradrenaline on neurones of the rat substantia gelatinosa in vitro.
Topics: Adrenergic alpha-Antagonists; Animals; Dioxanes; Idazoxan; Male; Membrane Potentials; Neurons; Norepinephrine; Phentolamine; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Spinal Cord; Substantia Gelatinosa; Tetrodotoxin; Yohimbine | 1984 |
Duration of tonic immobility in chickens as a function of alpha-adrenergic receptor stimulation and blockade.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Behavior, Animal; Chickens; Clonidine; Guanfacine; Guanidines; Methoxamine; Naphazoline; Phenylacetates; Phenylephrine; Prazosin; Restraint, Physical; Time Factors; Yohimbine | 1984 |
Effects of clonidine and some alpha-adrenergic antagonists alone and in combination on schedule-controlled behavior in pigeons and mice.
Topics: Adrenergic alpha-Antagonists; Animals; Clonidine; Columbidae; Conditioning, Operant; Drug Interactions; Male; Mice; Prazosin; Reinforcement Schedule; Species Specificity; Yohimbine | 1984 |
Adrenergic effects on plasma levels of glucagon, insulin, glucose and free fatty acids in rabbits--influences of selective blocking drugs.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Blood Glucose; Epinephrine; Fatty Acids, Nonesterified; Female; Glucagon; Insulin; Isoproterenol; Metoprolol; Prazosin; Propanolamines; Rabbits; Yohimbine | 1984 |
Quinidine is a competitive antagonist at alpha 1- and alpha 2-adrenergic receptors.
Topics: Adrenergic beta-Antagonists; Animals; Binding, Competitive; Blood Platelets; Humans; In Vitro Techniques; Kidney; Lidocaine; Myocardium; Prazosin; Quinidine; Radioligand Assay; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1984 |
Assessment of the functional role of brain adrenergic neurons: chronic effects of phenylethanolamine N-methyltransferase inhibitors and alpha adrenergic receptor antagonists on brain norepinephrine metabolism.
Topics: Adrenergic alpha-Antagonists; Animals; Benzazepines; Brain; Female; Isoquinolines; Norepinephrine; Phenylethanolamine N-Methyltransferase; Prazosin; Rats; Rats, Inbred F344; Tetrahydroisoquinolines; Tissue Distribution; Tyrosine 3-Monooxygenase; Yohimbine | 1984 |
Postjunctional alpha-adrenoceptors. Alpha 1 and alpha 2 subtypes in rat vasculature in vitro and in vivo.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Brain; In Vitro Techniques; Male; Muscle, Smooth, Vascular; Nordefrin; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1984 |
Effects of alpha-adrenoceptor antagonists on electrical and mechanical responses of the isolated dog mesenteric vein to perivascular nerve stimulation and exogenous noradrenaline.
Topics: Adrenergic alpha-Antagonists; Animals; Dogs; Electric Stimulation; Female; In Vitro Techniques; Male; Mesenteric Veins; Muscle Contraction; Muscle, Smooth, Vascular; Nitroprusside; Norepinephrine; Phentolamine; Potassium; Prazosin; Yohimbine | 1984 |
[3H]dihydroergocryptine binding to alpha-adrenoceptors in human femoral veins and arteries.
Topics: Adrenergic alpha-Agonists; Adult; Aged; Binding, Competitive; Cell Membrane; Dihydroergotoxine; Femoral Artery; Femoral Vein; Guanfacine; Guanidines; Humans; Kinetics; Middle Aged; Phenylacetates; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 1984 |
Alpha 1- and alpha 2-adrenoceptors in the smooth muscle of isolated rabbit urinary bladder and urethra.
Topics: Adrenergic alpha-Agonists; Animals; Clonidine; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth; Norepinephrine; Phenylephrine; Prazosin; Propranolol; Rabbits; Receptors, Adrenergic, alpha; Urethra; Urinary Bladder; Yohimbine | 1984 |
Heterogeneity of the interaction between alpha 1- and alpha 2-adrenoceptor agonists with their respective receptors in the vascular system of the pithed rat.
Topics: Adrenergic alpha-Agonists; Animals; Azepines; Blood Pressure; Cocaine; Dopamine; Electric Stimulation; Emetics; Ethanolamines; Hemodynamics; Male; Naphthols; Prazosin; Propanolamines; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Tetrahydronaphthalenes; Yohimbine | 1984 |
Effects of alpha-agonist on renin and prostaglandin E2 release in anesthetized dogs.
Topics: Adrenergic alpha-Agonists; Anesthesia, General; Animals; Blood Pressure; Dinoprostone; Dogs; Female; Kidney; Male; Methoxamine; Nordefrin; Prazosin; Prostaglandins E; Receptors, Adrenergic, alpha; Renal Circulation; Renin; Yohimbine | 1984 |
The contractions induced in rat and guinea-pig aortic strips by the alpha 2-adrenoceptor selective agonists B-HT 920 and UK 14,304 are mediated by alpha 1-adrenoceptors.
Topics: Adrenergic alpha-Agonists; Animals; Aorta; Azepines; Brimonidine Tartrate; Dose-Response Relationship, Drug; Gallopamil; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Prazosin; Quinoxalines; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Species Specificity; Yohimbine | 1984 |
Inhibition of alpha 2-adrenergic agonists on AVP-induced cAMP accumulation in isolated collecting tubule of the rat kidney.
Topics: Adrenergic alpha-Agonists; Animals; Arginine Vasopressin; Cyclic AMP; Kidney Tubules; Kidney Tubules, Collecting; Male; Norepinephrine; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1984 |
Effect of alpha adrenergic agonists and blockers on Purkinje fiber transmembrane potentials and automaticity in the dog.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Dogs; Dose-Response Relationship, Drug; Heart Conduction System; In Vitro Techniques; Membrane Potentials; Phenylephrine; Prazosin; Purkinje Fibers; Yohimbine | 1984 |
Actions of nipradilol (K-351), a new alpha- and beta-adrenoceptor blocker, on the rabbit portal vein.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Electric Stimulation; In Vitro Techniques; Membrane Potentials; Microelectrodes; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Portal Vein; Prazosin; Propanolamines; Rabbits; Yohimbine | 1984 |
Reduced alpha 2-adrenoceptor binding in lower brainstem of stroke-prone spontaneously hypertensive rats.
Topics: Adrenergic alpha-Agonists; Animals; Blood Pressure; Brain Stem; Cerebrovascular Disorders; Clonidine; Prazosin; Rats; Rats, Inbred SHR; Rats, Inbred WKY; Receptors, Adrenergic, alpha; Yohimbine | 1984 |
2-Alkyl analogue of idazoxan (RX 781094) with enhanced antagonist potency and selectivity at central alpha 2-adrenoceptors in the rat.
Topics: Adrenergic alpha-Antagonists; Animals; Cerebral Cortex; Dioxanes; Dioxins; Idazoxan; In Vitro Techniques; Kinetics; Male; Prazosin; Quinolizines; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1984 |
Effect of temperature on the responsiveness of cutaneous veins to the extract of Ruscus aculeatus.
Topics: Adrenergic alpha-Antagonists; Animals; Dogs; Drug Interactions; In Vitro Techniques; Muscle, Smooth, Vascular; Plant Extracts; Prazosin; Receptors, Adrenergic, alpha; Saphenous Vein; Temperature; Vasoconstriction; Yohimbine | 1984 |
Effects of celiprolol (REV 5320), a new cardioselective beta-adrenoceptor antagonist, on in vitro adenylate cyclase, alpha- and beta-adrenergic receptor binding and lipolysis.
Topics: Adenylyl Cyclases; Adipose Tissue; Adrenergic beta-Antagonists; Animals; Anura; Celiprolol; Cerebral Cortex; Dogs; Guinea Pigs; In Vitro Techniques; Lipolysis; Lung; Male; Membranes; Myocardium; Prazosin; Propanolamines; Rats; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Reticulocytes; Species Specificity; Turkeys; Yohimbine | 1984 |
Effects of adrenaline and alpha adrenergic antagonists on platelet aggregation in whole blood: evaluation of electrical impedance aggregometry.
Topics: Adrenergic alpha-Antagonists; Dihydroergotoxine; Epinephrine; Humans; In Vitro Techniques; Phentolamine; Platelet Aggregation; Prazosin; Yohimbine | 1984 |
Agonist interactions with alpha-adrenergic receptors.
Topics: Adrenergic alpha-Agonists; Animals; Binding, Competitive; Blood Platelets; Guanine Nucleotides; Kinetics; Ligands; Liver; Prazosin; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1982 |
alpha-Adrenoceptor subtypes in cardiovascular regulation.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Azepines; Blood Pressure; Cardiovascular Physiological Phenomena; Cardiovascular System; Cats; Female; Hemodynamics; Male; Methoxamine; Nictitating Membrane; Prazosin; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1982 |
Differential role of M-1 and M-2 receptors in sympathetic ganglia of the pithed normotensive rat in alpha adrenoceptor-mediated vasoconstriction.
Topics: (4-(m-Chlorophenylcarbamoyloxy)-2-butynyl)trimethylammonium Chloride; Adrenergic alpha-Antagonists; Animals; Denervation; Diastole; Dimethylphenylpiperazinium Iodide; Ganglia, Sympathetic; Hexamethonium; Hexamethonium Compounds; Male; Muscle, Smooth, Vascular; Prazosin; Rats; Rats, Inbred Strains; Receptors, Cholinergic; Receptors, Muscarinic; Secologanin Tryptamine Alkaloids; Vasoconstriction; Yohimbine | 1983 |
Electrical components contributing to the nerve-mediated contractions in the smooth muscles of the rabbit ear artery.
Topics: Action Potentials; Animals; Dose-Response Relationship, Drug; Electric Stimulation; Female; Guanethidine; In Vitro Techniques; Male; Membrane Potentials; Muscle Contraction; Muscle, Smooth, Vascular; Nicardipine; Nifedipine; Phentolamine; Physical Stimulation; Prazosin; Rabbits; Sympathetic Nervous System; Tetrodotoxin; Yohimbine | 1983 |
Anti-lipolytic action of prazosin in hamster fat cells.
Topics: 1-Methyl-3-isobutylxanthine; Adipose Tissue; Adrenergic alpha-Antagonists; Animals; Bucladesine; Cricetinae; Epididymis; In Vitro Techniques; Isoproterenol; Lipolysis; Male; Norepinephrine; Prazosin; Quinazolines; Yohimbine | 1984 |
Comparative effects of RX 781094, mianserin, yohimbine, rauwolscine and prazosin in reversing clonidine inhibition of MIX-stimulated lipolysis in hamster isolated white fat cells.
Topics: 1-Methyl-3-isobutylxanthine; Adipose Tissue; Adrenergic alpha-Antagonists; Animals; Clonidine; Cricetinae; Dioxanes; Epididymis; Idazoxan; In Vitro Techniques; Lipolysis; Male; Mianserin; Prazosin; Theophylline; Yohimbine | 1984 |
Characterization of alpha-adrenergic receptor subtypes in rat brain: estimation of ability of adrenergic ligands to displace 3H-dihydroergocyrptine from the receptor subtypes.
Topics: Animals; Dihydroergotoxine; Kinetics; Ligands; Male; Prazosin; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Sympathomimetics; Yohimbine | 1980 |
Subclassification of two types of alpha-adrenergic binding sites in rat liver.
Topics: Animals; Cell Membrane; Dihydroergotoxine; Epinephrine; In Vitro Techniques; Liver; Prazosin; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1980 |
Postsynaptic alpha 1- and alpha 2-adrenoceptors in the circulatory system of the pithed rat: selective stimulation of the alpha 2-type by B-HT 933.
Topics: Animals; Azepines; Blood Pressure; Clonidine; Dose-Response Relationship, Drug; Muscle, Smooth, Vascular; Oxazoles; Phentolamine; Phenylephrine; Prazosin; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Neurotransmitter; Vasomotor System; Yohimbine | 1980 |
Pharmacological evidence for a functional role of the prejunctional alpha-adrenoreceptor in noradrenergic neurotransmission in the conscious rat.
Topics: Animals; Blood Pressure; Handling, Psychological; Heart Rate; Hydralazine; In Vitro Techniques; Male; Norepinephrine; Phenoxybenzamine; Phentolamine; Prazosin; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Synaptic Transmission; Yohimbine | 1980 |
[3H]WB4101--caution about its role as an alpha-adrenergic subtype selective radioligand.
Topics: Animals; Brain; Dihydroergotoxine; Dioxanes; Dioxins; Female; In Vitro Techniques; Prazosin; Rabbits; Radioligand Assay; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Uterus; Yohimbine | 1980 |
alpha-methyldopa reduces locomotor activity in rats via its metabolite, alpha-methylnorepinephrine, acting on alpha 2-adrenoceptors.
Topics: Animals; Clonidine; Depression, Chemical; Dose-Response Relationship, Drug; Drug Antagonism; Female; Methyldopa; Motor Activity; Nordefrin; Norepinephrine; Prazosin; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1980 |
Differences in pharmacological properties of postjunctional alpha-adrenergic receptors among arteries and veins.
Topics: Animals; Arteries; Dogs; In Vitro Techniques; Methoxamine; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Prazosin; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Veins; Yohimbine | 1980 |
Investigation into different types of post- and presynaptic alpha-adrenoceptors at cardiovascular sites in rats.
Topics: Animals; Blood Pressure; Cardiovascular System; Clonidine; Electric Stimulation; Heart Rate; Male; Methoxamine; Prazosin; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Synapses; Yohimbine | 1980 |
Heterogeneity and subcellular localization of hamster adipocyte alpha-adrenergic receptors: evidence of alpha 1- and alpha 2-subtypes.
Topics: Adipose Tissue; Animals; Cell Membrane; Cricetinae; Cyclic AMP; Dihydroergotoxine; Kinetics; Prazosin; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Subcellular Fractions; Yohimbine | 1980 |
alpha 1- and alpha 2-vascular adrenoceptors in the dog.
Topics: Animals; Blood Pressure; Dogs; Drug Interactions; Female; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Prazosin; Pulmonary Artery; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1980 |
Effects of alpha 2-adrenergic action on cyclic AMP levels in canine thyroid slices.
Topics: Animals; Cyclic AMP; Dogs; In Vitro Techniques; Norepinephrine; Phentolamine; Prazosin; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Thyroid Gland; Thyrotropin; Yohimbine | 1980 |
Aspects of the pharmacology of prazosin.
Topics: Animals; Cats; Clonidine; Femoral Artery; Femoral Vein; In Vitro Techniques; Mesenteric Arteries; Norepinephrine; Phenoxybenzamine; Phentolamine; Prazosin; Pulmonary Artery; Quinazolines; Rabbits; Receptors, Adrenergic, alpha; Vasodilation; Yohimbine | 1980 |
Alpha 2-adrenoceptors modulating insulin release from isolated pancreatic islets.
Topics: Animals; Dihydroergotamine; Epinephrine; In Vitro Techniques; Insulin; Islets of Langerhans; Male; Phenoxybenzamine; Phentolamine; Prazosin; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1980 |
Complete blockade by phenoxybenzamine of alpha 1- but not of alpha 2-vascular receptors in dogs and the effects of propranolol.
Topics: Animals; Blood Pressure; Dogs; Epinephrine; Female; Male; Phenoxybenzamine; Phenylephrine; Prazosin; Propranolol; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1980 |
Alpha-adrenergic receptors in liver membranes: delineation with subtype selective radioligands.
Topics: Animals; Binding, Competitive; Cell Membrane; Dihydroergotoxine; Epinephrine; Guanylyl Imidodiphosphate; Liver; Prazosin; Radioligand Assay; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1981 |
Xylazine-induced hyperglycemia in cattle: a possible involvement of alpha 2-adrenergic receptors regulating insulin release.
Topics: Animals; Blood Glucose; Cattle; Female; Hyperglycemia; Insulin; Insulin Secretion; Phentolamine; Prazosin; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Thiazines; Xylazine; Yohimbine | 1981 |
Alpha 1-adrenoceptor activation stimulates ureogenesis in rat hepatocytes.
Topics: Animals; Epinephrine; Female; In Vitro Techniques; Liver; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Urea; Yohimbine | 1981 |
Pre- and postsynaptic adrenergic activation by norepinephrine reuptake inhibitors in the field-stimulated rat vas deferens.
Topics: Amitriptyline; Animals; Chlorpromazine; Cocaine; Desipramine; Dibenzocycloheptenes; Dose-Response Relationship, Drug; Male; Norepinephrine; Prazosin; Protriptyline; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Vas Deferens; Yohimbine | 1981 |
Smooth muscle of rabbit aorta contains alpha 1-but not alpha 2-adrenoceptors.
Topics: Animals; Aorta; Drug Interactions; Female; Male; Muscle, Smooth, Vascular; Norepinephrine; Phenoxybenzamine; Prazosin; Propranolol; Rabbits; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1981 |
Involvement of alpha 1-adrenergic receptors in the inhibitory effect of catecholamines on the thyrotropin-induced release of thyroxine by the mouse thyroid.
Topics: Animals; Clonidine; Cyclic AMP; Kinetics; Male; Methoxamine; Mice; Mice, Inbred Strains; Norepinephrine; Prazosin; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Thyroid Gland; Thyrotropin; Thyroxine; Yohimbine | 1982 |
Functional characterization of postjunctional alpha-adrenoceptors in rat aorta.
Topics: Animals; Aorta, Thoracic; Clonidine; In Vitro Techniques; Male; Muscle, Smooth, Vascular; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1981 |
Alpha-noradrenaline modulation of D,L-allylgycine seizures.
Topics: Allylglycine; Animals; Clonidine; Glycine; Male; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Seizures; Yohimbine | 1981 |
Differential effects of pharmacological manipulations of central alpha 1- and alpha 2-adrenergic receptors on the secretion of thyrotropin and growth hormone in male rats.
Topics: Animals; Brain; Clonidine; Dose-Response Relationship, Drug; Growth Hormone; Hypothalamus; Kinetics; Male; Methoxamine; Methoxyhydroxyphenylglycol; Norepinephrine; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Thyrotropin; Yohimbine | 1982 |
Clonidine inhibition of pancreatic secretion in rats: a possible central site of action.
Topics: Animals; Clonidine; Deoxyglucose; Gastric Juice; Male; Mianserin; Pancreas; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1981 |
Dietary sodium regulation of blood pressure and renal alpha 1- and alpha 2-receptors in WKY and SH rats.
Topics: Animals; Blood Pressure; Hypertension; Kinetics; Male; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Sodium Chloride; Species Specificity; Yohimbine | 1981 |
Anticonvulsant effects of clonidine mediated through central alpha2-adrenoceptors.
Topics: Animals; Anticonvulsants; Brain; Clonidine; Dose-Response Relationship, Drug; Female; Injections, Intraventricular; Male; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1982 |
alpha 2-Adrenergic receptor regulation of ion transport in rabbit ileum.
Topics: Animals; Biological Transport, Active; Clonidine; Epinephrine; Ileum; In Vitro Techniques; Intestinal Mucosa; Male; Methoxamine; Phentolamine; Phenylephrine; Prazosin; Propranolol; Rabbits; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1982 |
The role of presynaptic alpha-adrenoceptors in the regulation of blood pressure in the conscious rabbit.
Topics: Animals; Blood Pressure; Denervation; Heart Rate; Hemodynamics; Male; Norepinephrine; Phentolamine; Prazosin; Rabbits; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Vasodilator Agents; Yohimbine | 1982 |
Involvement of alpha 1- and alpha 2-adrenoceptors in the vasoconstriction caused by ergometrine.
Topics: Animals; Blood Pressure; Ergonovine; Male; Methysergide; Nifedipine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Serotonin; Serotonin; Vasoconstriction; Yohimbine | 1982 |
A comparison of peripheral pre- and postsynaptic alpha 2-adrenoreceptors using meta-substituted imidazolidines.
Topics: Animals; Electric Stimulation; Heart; Imidazoles; In Vitro Techniques; Male; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Stereoisomerism; Synapses; Vasoconstriction; Yohimbine | 1981 |
Selective inhibition by epinephrine of parathyroid hormone-stimulated adenylate cyclase in rat renal cortex.
Topics: Adenylyl Cyclases; Animals; Epinephrine; Isomerism; Kidney Cortex; Nordefrin; Parathyroid Hormone; Prazosin; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1982 |
Alpha-2 adrenergic antilipolytic effect in dog fat cells: incidence of obesity and adipose tissue localization.
Topics: Adipose Tissue; Animals; Clonidine; Dogs; Epinephrine; Isoproterenol; Lipolysis; Obesity; Prazosin; Propranolol; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Theophylline; Yohimbine | 1982 |
[3H]Dihydroergocryptine binding to alpha-adrenergic receptors of human platelets. A reassessment using the selective radioligands [3H]prazosin, [3H]yohimbine, and [3H]rauwolscine.
Topics: Binding, Competitive; Blood Platelets; Dihydroergotoxine; Humans; Imipramine; In Vitro Techniques; Phenoxybenzamine; Prazosin; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Serotonin; Yohimbine | 1982 |
Characterization of the adrenoreceptor activities of isoprenaline in the field stimulated rat vas deferens: selective supersensitivity to beta 2-mediated responses following reserpine treatment.
Topics: Animals; Isoproterenol; Male; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Reserpine; Timolol; Vas Deferens; Yohimbine | 1982 |
Postsynaptic alpha 1-and alpha 2-adrenoceptor involvement in the vascular responses to neuronally released and exogenous noradrenaline in the hindlimb of the dog and cat.
Topics: Animals; Blood Pressure; Cats; Dogs; Female; Hindlimb; Muscle, Smooth, Vascular; Neurons; Norepinephrine; Phenylephrine; Prazosin; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Regional Blood Flow; Species Specificity; Yohimbine | 1982 |
Selective blockade of brain alpha 2-autoreceptors by yohimbine: effects on motor activity and on turnover of noradrenaline and dopamine.
Topics: alpha-Methyltyrosine; Animals; Brain; Dextroamphetamine; Dopamine; Male; Methyltyrosines; Mice; Motor Activity; Norepinephrine; Prazosin; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1982 |
Characterization of adrenergic receptor binding in rat lung: physiological regulation.
Topics: Animals; Circadian Rhythm; Dihydroalprenolol; Female; In Vitro Techniques; Lung; Male; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Sex Factors; Yohimbine | 1983 |
Demonstration of alpha 2-adrenergic receptors in rat pancreatic islets using radioligand binding (41498).
Topics: Animals; Clonidine; Epinephrine; Islets of Langerhans; Isoproterenol; Male; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1982 |
Characterization of alpha-adrenergic receptor subtypes in the rat renal cortex. Differential regulation of alpha 1- and alpha 2-adrenergic receptors by guanyl nucleotides and Na.
Topics: Adenylyl Cyclases; Animals; Cell Membrane; Guanine Nucleotides; In Vitro Techniques; Kidney Cortex; Kinetics; Male; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Sodium; Yohimbine | 1982 |
Locomotor activity of rats after stimulation of the nucleus locus coeruleus region or after lesion of the dorsal noradrenergic bundle: effects of clonidine, prazosin and yohimbine.
Topics: Animals; Brain Stem; Cerebral Cortex; Clonidine; Dose-Response Relationship, Drug; Electric Stimulation; Exploratory Behavior; Hippocampus; Hydroxydopamines; Locus Coeruleus; Male; Motor Activity; Neural Pathways; Norepinephrine; Prazosin; Quinazolines; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Yohimbine | 1982 |
Binding of yohimbine stereoisomers to alpha-adrenoceptors in rat liver and human platelets.
Topics: Animals; Blood Platelets; Cell Membrane; Female; In Vitro Techniques; Liver; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Stereoisomerism; Structure-Activity Relationship; Yohimbine | 1983 |
Stimulation of brain Na+, K+-ATPase by norepinephrine in vivo: prevention by receptor antagonists and enhancement by repeated stimulation.
Topics: Animals; Brain; Male; Norepinephrine; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Sodium-Potassium-Exchanging ATPase; Yohimbine | 1983 |
Effects of alpha 1 and alpha 2 activation of adrenergic receptors on aqueous humor dynamics.
Topics: Animals; Aqueous Humor; Cats; Clonidine; Intraocular Pressure; Phenylephrine; Prazosin; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1983 |
An investigation of presynaptic alpha-adrenoceptor subtypes in the pithed rat heart.
Topics: Animals; Imidazoles; Male; Myocardium; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Synapses; Xylazine; Yohimbine | 1983 |
Effects of prazosin, phentolamine and yohimbine on noradrenergic transmission in the rat right ventricle in vitro.
Topics: Animals; Electric Stimulation; Heart; Isoproterenol; Male; Myocardial Contraction; Norepinephrine; Phentolamine; Prazosin; Quinazolines; Rats; Rats, Inbred Strains; Sympathetic Nervous System; Synaptic Transmission; Yohimbine | 1983 |
alpha2-Adrenergic stimulation enhances growth hormone secretion in the dog: a presynaptic mechanism?
Topics: Animals; Clonidine; Dogs; Female; Growth Hormone; Kinetics; Male; Prazosin; Quinazolines; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Reserpine; Synapses; Yohimbine | 1983 |
Effect of glucocorticoids on alpha-2 adrenoceptors in vas deferens of reserpinized rat in organ culture.
Topics: Animals; Clonidine; Dexamethasone; Glucocorticoids; Hydrocortisone; Kinetics; Male; Organ Culture Techniques; Prazosin; Protein Biosynthesis; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Reserpine; Vas Deferens; Yohimbine | 1983 |
alpha 2-Adrenergic receptors in human polymorphonuclear leukocyte membranes.
Topics: Alprostadil; Binding, Competitive; Cell Membrane; Cyclic AMP; Humans; Kinetics; Neutrophils; Norepinephrine; Phentolamine; Prazosin; Prostaglandins E; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Stimulation, Chemical; Yohimbine | 1983 |
Alpha adrenergic receptor subtypes in human, monkey and dog cerebral arteries.
Topics: Adolescent; Adult; Aged; Animals; Cerebral Arteries; Cerebrovascular Circulation; Dogs; Female; Humans; Macaca; Male; Mesenteric Arteries; Middle Aged; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Prazosin; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Stomach; Yohimbine | 1983 |
Increased sensitivity of alpha 2-adrenoceptors mediating pressor response in spontaneously hypertensive rats.
Topics: Animals; Blood Pressure; Hypertension; Male; Prazosin; Quinazolines; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Vagotomy; Yohimbine | 1983 |
The selectivity of some ergot derivatives for alpha 1 and alpha 2-adrenoceptors of rat cerebral cortex.
Topics: Animals; Cerebral Cortex; Ergolines; Ergot Alkaloids; Female; In Vitro Techniques; Kinetics; Lisuride; Male; Membranes; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1983 |
Differential regulation of alpha-adrenergic receptor subclasses by gonadal steroids in human myometrium.
Topics: Binding, Competitive; Estradiol; Estrogens; Female; Humans; Medroxyprogesterone; Medroxyprogesterone Acetate; Menopause; Menstruation; Myometrium; Prazosin; Pregnancy; Progesterone; Receptors, Adrenergic, alpha; Stereoisomerism; Yohimbine | 1983 |
Alpha adrenergic receptor subtype associated with receptor binding, Ca++ influx, Ca++ release and contractile events in the rabbit aorta.
Topics: Animals; Aorta; Calcium; Clonidine; Ion Channels; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Yohimbine | 1983 |
Determination of adrenoceptors of the alpha 2-subtype on isolated human fat cells.
Topics: Adipose Tissue; Cell Count; Cell Membrane; Cell Separation; Epinephrine; Humans; Norepinephrine; Phentolamine; Prazosin; Radioligand Assay; Receptors, Adrenergic, alpha; Yohimbine | 1983 |
Modulation of cortical acetylcholine and gamma-aminobutyric acid release in freely moving guinea pigs: effects of clonidine and other adrenergic drugs.
Topics: Acetylcholine; Animals; Cerebral Cortex; Clonidine; Female; gamma-Aminobutyric Acid; Guinea Pigs; Male; Norepinephrine; Prazosin; Receptors, Adrenergic, alpha; Sympathomimetics; Yohimbine | 1983 |
Monoaminergic antagonists which block naloxone-induced release of luteinizing hormone bind selectively to hypothalamic opiate receptors.
Topics: Animals; Dose-Response Relationship, Drug; Female; Hypothalamus; Luteinizing Hormone; Naloxone; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Opioid; Sympatholytics; Yohimbine | 1983 |
Study of two alkylating derivatives: the p-isothiocyanato- and the p-methylisothiocyanato-clonidine.
Topics: Alkylating Agents; Animals; Aorta; Brain; Clonidine; In Vitro Techniques; Male; Membranes; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1983 |
Dissociation of presynaptic alpha 2-adrenoceptors following prazosin administration: presynaptic effect of prazosin.
Topics: Animals; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth; Norepinephrine; Prazosin; Propranolol; Quinazolines; Rats; Receptors, Adrenergic, alpha; Synapses; Vas Deferens; Xylazine; Yohimbine | 1983 |
Central alpha receptors and their role in digoxin cardiotoxicity.
Topics: Animals; Blood Pressure; Brain; Depression, Chemical; Digoxin; Dogs; Dose-Response Relationship, Drug; Female; Heart; Heart Rate; Male; Myocardial Contraction; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 1983 |
[Characteristics of alpha adrenoceptors of lymphatics and their physiological significance].
Topics: Animals; Binding, Competitive; Cattle; Clonidine; In Vitro Techniques; Lymphatic System; Mesentery; Muscle Contraction; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 1983 |
Possible role of alpha 1- and alpha 2-adrenoceptors in the modulation of the sympathetic component of the baroreflex.
Topics: Animals; Dogs; Electric Stimulation; Female; Heart Rate; Male; Phenylephrine; Prazosin; Pressoreceptors; Receptors, Adrenergic, alpha; Reflex; Sympathetic Nervous System; Vagotomy; Yohimbine | 1983 |
Presynaptic alpha-adrenoceptors: do exogenous and neuronally released noradrenaline act at different sites?
Topics: Animals; Clonidine; Dogs; Dopamine; Feedback; In Vitro Techniques; Nerve Endings; Neurons; Norepinephrine; Prazosin; Receptors, Adrenergic, alpha; Saphenous Vein; Sulpiride; Synaptic Transmission; Yohimbine | 1984 |
Identification of alpha 1 adrenergic receptors in rabbit aorta with [125I] BE2254.
Topics: Animals; Aorta, Abdominal; Aorta, Thoracic; Binding Sites; Binding, Competitive; Epinephrine; Female; Isoproterenol; Norepinephrine; Phenethylamines; Phentolamine; Prazosin; Rabbits; Radioligand Assay; Receptors, Adrenergic, alpha; Tetralones; Yohimbine | 1984 |
Differential blocking effects of prazosin and yohimbine on vasopressor responses to sympathetic nerve stimulation and intravenous norepinephrine in the pithed rat.
Topics: Animals; Blood Pressure; Clonidine; Electric Stimulation; Male; Norepinephrine; Phenylephrine; Prazosin; Quinazolines; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sympathetic Nervous System; Vasoconstriction; Yohimbine | 1984 |
Cardiovascular adrenoreceptor function during compensatory and decompensatory hemorrhagic shock.
Topics: Animals; Hemodynamics; Levulinic Acids; Male; Phenoxybenzamine; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Shock, Hemorrhagic; Time Factors; Vasoconstriction; Vasodilation; Yohimbine | 1984 |
The role of central alpha 1- and alpha 2-adrenoceptors in the regulation of vasopressin release and the cardiovascular system.
Topics: Animals; Blood Pressure; Dogs; Female; Heart Rate; Kinetics; Male; Methoxamine; Norepinephrine; Prazosin; Quinazolines; Receptors, Adrenergic, alpha; Vasopressins; Yohimbine | 1984 |
Functional characterization of the alpha adrenergic receptor modulating the hydroosmotic effect of vasopressin on the rabbit cortical collecting tubule.
Topics: Absorption; Animals; Arginine Vasopressin; Body Water; Cell Membrane Permeability; Clonidine; Female; Kidney Tubules; Kidney Tubules, Collecting; Norepinephrine; Osmosis; Phenylephrine; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Yohimbine | 1984 |
Identification of vascular postsynaptic alpha 1- and alpha 2-adrenoceptors in man.
Topics: Adult; Azepines; Blood Pressure; Clonidine; Dose-Response Relationship, Drug; Doxazosin; Female; Guanfacine; Guanidines; Heart Rate; Humans; Male; Methoxamine; Muscle, Smooth, Vascular; Phenylacetates; Prazosin; Receptors, Adrenergic, alpha; Receptors, Neurotransmitter; Yohimbine | 1984 |
Predominance of alpha 2-adrenoceptors in porcine thyroid: biochemical and pharmacological correlations.
Topics: Animals; Bacterial Toxins; Clonidine; Cyclic AMP; Kinetics; Norepinephrine; Pertussis Toxin; Prazosin; Receptors, Adrenergic, alpha; Swine; Thyroid Gland; Thyrotropin; Thyroxine; Virulence Factors, Bordetella; Yohimbine | 1984 |
Pharmacological differentiation of postsynaptic alpha adrenoceptors in the dog saphenous vein.
Topics: Animals; Azepines; Dogs; Female; Male; Muscle Contraction; Muscle, Smooth, Vascular; Naphthols; Norepinephrine; Phenoxybenzamine; Prazosin; Receptors, Adrenergic, alpha; Saphenous Vein; Tetrahydronaphthalenes; Yohimbine | 1984 |
Pharmacological characterization of the postsynaptic alpha adrenoceptors in vascular smooth muscle from canine and rat mesenteric vascular beds.
Topics: Animals; Clonidine; Dose-Response Relationship, Drug; Hydroxydopamines; Muscle, Smooth, Vascular; Naphazoline; Oxidopamine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Splanchnic Circulation; Yohimbine | 1984 |
Alpha 2-adrenergic receptors on intact human platelets of normal individuals and chronic obstructive lung disease patients.
Topics: Blood Platelets; Epinephrine; Humans; Lung Diseases, Obstructive; Phentolamine; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 1984 |
Identification of the subunit-binding site of alpha 2-adrenergic receptors using [3H]phenoxybenzamine.
Topics: Binding, Competitive; Blood Platelets; Chromatography, Affinity; Epinephrine; Humans; Kinetics; Molecular Weight; Phenoxybenzamine; Phentolamine; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 1984 |
Differential effect of pertussis toxin on the affinity state for agonists of renal alpha 1- and alpha 2- adrenoceptors.
Topics: Animals; Bacterial Toxins; Cell Membrane; Guanylyl Imidodiphosphate; Kidney Cortex; Kinetics; Male; Pertussis Toxin; Prazosin; Quinazolines; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Virulence Factors, Bordetella; Yohimbine | 1984 |
Enhanced alpha-adrenoceptor-mediated vasoconstriction contributes to increased vascular resistance in essential hypertension.
Topics: Epinephrine; Humans; Hypertension; Nitroprusside; Prazosin; Receptors, Adrenergic, alpha; Synapses; Vascular Resistance; Vasoconstriction; Yohimbine | 1984 |
Involvement of alpha-adrenergic receptors in the amnestic and anti-amnestic action of ACTH, beta-endorphin and epinephrine.
Topics: Adrenocorticotropic Hormone; Animals; Avoidance Learning; beta-Endorphin; Cosyntropin; Endorphins; Epinephrine; Female; Memory; Mental Recall; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Retention, Psychology; Yohimbine | 1984 |
Supersensitivity of analgesic responses to alpha 2-adrenergic agonists in genetically hypertensive rats.
Topics: Animals; Clonidine; Hypertension; Male; Naphazoline; Pain; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1984 |
Epinephrine modifications of insulin release and of 86Rb+ or 45Ca2+ fluxes in rat islets.
Topics: Animals; Calcium; Epinephrine; Insulin; Insulin Secretion; Islets of Langerhans; Kinetics; Male; Norepinephrine; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Rubidium; Yohimbine | 1983 |
Interactions of epinephrine, norepinephrine, dopamine and their corresponding alpha-methyl-substituted derivatives with alpha and beta adrenoceptors in the pithed rat.
Topics: Animals; Blood Pressure; Decerebrate State; Deoxyepinephrine; Dopamine; Dose-Response Relationship, Drug; Epinephrine; Male; Nordefrin; Norepinephrine; Phenoxybenzamine; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Reserpine; Yohimbine | 1984 |
The mechanism of action of dopamine to inhibit field stimulation-induced contractions of guinea pig stomach strips.
Topics: Animals; Apomorphine; Catecholamines; Dopamine; Drug Interactions; Electric Stimulation; Guanfacine; Guanidines; Guinea Pigs; In Vitro Techniques; Male; Muscle Contraction; Muscle Relaxation; Muscle, Smooth; Parasympathetic Nervous System; Phenylacetates; Phenylephrine; Prazosin; Receptors, Dopamine; Stomach; Yohimbine | 1984 |
The effects of alpha 1-adrenergic and muscarinic cholinergic stimulation on prostaglandin release by rabbit iris.
Topics: 6-Ketoprostaglandin F1 alpha; Acetylcholine; Animals; Arachidonic Acid; Arachidonic Acids; Atropine; Calcimycin; Calcium; Dinoprostone; Female; Inositol; Iris; Kinetics; Male; Microsomes; Norepinephrine; Prazosin; Prostaglandins E; Quinazolines; Rabbits; Tubocurarine; Yohimbine | 1984 |
Protective effect of FR35447 on experimental cerebral infarction.
Topics: Animals; Arachidonic Acid; Arachidonic Acids; Calcimycin; Cardiovascular Agents; Cerebral Infarction; Epinephrine; Epoprostenol; Erythrocyte Deformability; Imidazoles; Lipid Peroxides; Male; Platelet Aggregation; Prazosin; Rats; Rats, Inbred Strains; Vitamin E Deficiency; Yohimbine | 1984 |
The effects of alpha 2-adrenergic and serotonergic receptor antagonists on cyclic blood flow alterations in stenosed canine coronary arteries.
Topics: Adenosine Diphosphate; Animals; Blood Flow Velocity; Coronary Circulation; Coronary Disease; Dogs; Female; Heart Rate; Hemodynamics; Ketanserin; Male; Piperidines; Platelet Aggregation; Prazosin; Propranolol; Receptors, Serotonin; Serotonin; Serotonin Antagonists; Yohimbine | 1984 |
[Adrenoceptors in subjects with Meniere's disease].
Topics: Adult; Aged; Dihydroalprenolol; Female; Humans; Male; Meniere Disease; Middle Aged; Parotid Gland; Prazosin; Radioligand Assay; Receptors, Adrenergic; Stress, Physiological; Yohimbine | 1984 |
Effects of methoxamine and alpha-adrenoceptor antagonists, prazosin and yohimbine, on the sleep-wake cycle of the rat.
Topics: Animals; Blood Pressure; Dose-Response Relationship, Drug; Heart Rate; Male; Methoxamine; Prazosin; Quinazolines; Rats; Rats, Inbred Strains; Sleep; Sleep, REM; Time Factors; Wakefulness; Yohimbine | 1984 |
Effect of intrathecally administered noradrenergic antagonists on nociception in the rat.
Topics: Animals; Brain Mapping; Brain Stem; Dioxanes; Efferent Pathways; Injections, Spinal; Male; Norepinephrine; Pain; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Spinal Cord; Yohimbine | 1984 |
Calcium-dependency of the pressor responses to selective 5-hydroxytryptamine receptor agonists in pithed rats.
Topics: 5-Methoxytryptamine; Animals; Blood Pressure; Calcium; Indoles; Methoxydimethyltryptamines; Piperazines; Prazosin; Quipazine; Rats; Rats, Inbred Strains; Receptors, Serotonin; Spinal Cord; Yohimbine | 1983 |
Catecholamines are mitogenic in 3T3 and bovine aortic endothelial cells.
Topics: Animals; Aorta; Cattle; Cell Cycle; Cells, Cultured; DNA Replication; Endothelium; Epidermal Growth Factor; Epinephrine; Kinetics; Mice; Mitogens; Prazosin; Yohimbine | 1984 |
Response of rat jejunum to angiotensin III: pharmacology and mechanism of action.
Topics: Angiotensin II; Angiotensin III; Animals; Body Water; Intestinal Absorption; Inulin; Jejunum; Kinetics; Male; Phentolamine; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Yohimbine | 1983 |
Changes in clonidine effect on longitudinal muscle-myenteric plexus strip preparation by morphine treatments.
Topics: Animals; Clonidine; Guinea Pigs; Morphine; Muscle, Smooth; Myenteric Plexus; Naloxone; Prazosin; Yohimbine | 1983 |
Analysis of the asymmetric response of the rabbit ear artery to intimal and adventitial amines.
Topics: Animals; Arteries; Ear; Electrophysiology; Muscle Contraction; Muscle Relaxation; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Prazosin; Rabbits; Receptors, Adrenergic; Tetraethylammonium Compounds; Yohimbine | 1984 |
Differences between the prejunctional effects of phenylephrine and clonidine in guinea-pig isolated atria.
Topics: Animals; Clonidine; Electric Stimulation; Guinea Pigs; Heart; Heart Atria; In Vitro Techniques; Male; Myocardial Contraction; Phenylephrine; Prazosin; Sympathetic Nervous System; Yohimbine | 1984 |
Alpha 1-adrenergic stimulation of phosphatidylinositol turnover and respiration of brown fat cells.
Topics: Adipose Tissue, Brown; Alprenolol; Animals; Cricetinae; Glycerol; Kinetics; Male; Mesocricetus; Oxygen Consumption; Phenylephrine; Phosphates; Phosphatidylcholines; Phosphatidylinositols; Phosphorus Radioisotopes; Prazosin; Tritium; Yohimbine | 1984 |
Modification by yohimbine and prazosin of the mechanical response of isolated dog mesenteric, renal and coronary arteries to transmural stimulation and norepinephrine.
Topics: Animals; Coronary Vessels; Dogs; Electric Stimulation; Female; Male; Mesenteric Arteries; Muscle Contraction; Muscle Relaxation; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Quinazolines; Renal Artery; Yohimbine | 1984 |
Binding and uptake of [3H]adrenaline by perfused rat liver.
Topics: Animals; Calcium; Epinephrine; Liver; Male; Perfusion; Prazosin; Rats; Rats, Inbred Strains; Time Factors; Tritium; Yohimbine | 1984 |
Factors influencing the release of purines and norepinephrine in the rabbit portal vein.
Topics: Adrenergic Fibers; Animals; Clonidine; Electric Stimulation; Hydroxydopamines; In Vitro Techniques; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Oxidopamine; Portal Vein; Prazosin; Purines; Rabbits; Yohimbine | 1982 |
Altered hindlimb extension in the rat after DSP-4: a useful marker of central noradrenergic depletion.
Topics: Amines; Animals; Behavior, Animal; Benzylamines; Brain; Clonidine; Drug Interactions; Hindlimb; Male; Neurotoxins; Norepinephrine; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1983 |
The effects of cardiac sympathetic nerve stimulation on perfusion of stenotic coronary arteries in the dog.
Topics: Animals; Coronary Circulation; Coronary Disease; Coronary Vessels; Dogs; Electric Stimulation; Heart; Myocardial Contraction; Phentolamine; Prazosin; Propranolol; Sympathetic Nervous System; Vascular Resistance; Yohimbine | 1983 |
Comparison of yohimbine, mianserin, chlorpromazine and prazosin as antagonists of the suppressant effect of clonidine on operant behavior.
Topics: Animals; Behavior, Animal; Chlorpromazine; Clonidine; Conditioning, Operant; Dose-Response Relationship, Drug; Drug Interactions; Male; Mianserin; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1983 |
Mediation and mechanisms of the hypotensive effect of L-dopa in the sea-gull: Larus argentatus.
Topics: Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Birds; Blood Pressure; Heart Rate; Levodopa; Prazosin; Receptors, Dopamine; Time Factors; Vagotomy; Yohimbine | 1983 |
Synergism between prostacyclin (PGI2) and prazosin on human platelet aggregation.
Topics: Drug Synergism; Epoprostenol; Humans; Platelet Aggregation; Prazosin; Prostaglandins; Quinazolines; Yohimbine | 1982 |
Differential effects of prazosin and rauwolsin on the release of prostaglandins I2 and E2 from the perfused mesenteric arterial bed of the rabbit following nerve stimulation.
Topics: 6-Ketoprostaglandin F1 alpha; Animals; Dinoprostone; Electric Stimulation; Epoprostenol; Indomethacin; Male; Mesenteric Arteries; Norepinephrine; Phenylephrine; Prazosin; Prostaglandins; Prostaglandins E; Quinazolines; Rabbits; Vasoconstriction; Yohimbine | 1982 |
Studies on alpha-adrenergic-induced respiration and glycogenolysis in perfused rat liver.
Topics: Animals; Antimycin A; Dinitrophenols; Female; Glucagon; Kinetics; Liver; Liver Glycogen; Oxygen Consumption; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Rotenone; Yohimbine | 1982 |
Studies on the mechanism of methyl-dopa-induced mydriasis in the cat.
Topics: Animals; Bis(4-Methyl-1-Homopiperazinylthiocarbonyl)disulfide; Cats; Female; Hydrazines; Injections, Intraventricular; Male; Methyldopa; Mydriatics; Prazosin; Pupil; Time Factors; Yohimbine | 1982 |
Effects of prazosin, phentolamine, and yohimbine on the pressor responses induced by noradrenaline, phenylephrine, and bilateral carotid artery occlusion in anaesthetized dogs.
Topics: Animals; Blood Pressure; Carotid Artery Diseases; Dogs; Female; Male; Norepinephrine; Phentolamine; Phenylephrine; Prazosin; Quinazolines; Yohimbine | 1982 |
Blockage by yohimbine of prazosin-resistant pressor effects of adrenaline in the pithed rat.
Topics: Animals; Blood Pressure; Drug Resistance; Epinephrine; Phentolamine; Prazosin; Propranolol; Quinazolines; Rats; Spinal Cord; Yohimbine | 1980 |
Characterization of alpha 2 adrenoceptors and other adrenoceptors in membranes isolated from dog mesenteric nerve axons.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Axons; Binding, Competitive; Blood Platelets; Cell Membrane; Dogs; Humans; Iodocyanopindolol; Mesenteric Arteries; omega-Conotoxin GVIA; Peptides; Pindolol; Prazosin; Receptors, Adrenergic, alpha-2; Receptors, Adrenergic, beta; Saxitoxin; Yohimbine | 1995 |
Alpha 2-adrenoceptor mediated inhibition of forskolin-stimulated cyclic AMP accumulation in isolated porcine palmar lateral veins.
Topics: 3',5'-Cyclic-AMP Phosphodiesterases; Adenine; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Colforsin; Cyclic AMP; Enzyme Inhibitors; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Prazosin; Pyrrolidinones; Receptors, Adrenergic, alpha-2; Rolipram; Swine; Veins; Yohimbine | 1995 |
Role of alpha 1 and alpha 2-adrenoceptors of the lateral hypothalamic area on urinary excretion caused by centrally administered angiotensin II.
Topics: Angiotensin II; Animals; Clonidine; Drug Interactions; Hypothalamus; Male; Potassium; Prazosin; Rats; Rats, Inbred Strains; Sodium; Urination; Yohimbine | 1995 |
Induction of the synthesis of hsp27 and alpha B crystallin in tissues of heat-stressed rats and its suppression by ethanol or an alpha 1-adrenergic antagonist.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Blotting, Northern; Blotting, Western; Crystallins; Ethanol; Heat-Shock Proteins; Hot Temperature; Immunoassay; Male; Prazosin; Propranolol; Rats; Rats, Wistar; RNA, Messenger; Stress, Physiological; Superoxide Dismutase; Temperature; Yohimbine | 1995 |
Distribution of neurally activated postjunctional adrenoceptors in cat forelimb vasculature.
Topics: Adrenergic alpha-Antagonists; Animals; Atropine; Axillary Artery; Cats; Electric Stimulation; Female; Forelimb; Laser-Doppler Flowmetry; Male; Prazosin; Propranolol; Receptors, Adrenergic, alpha; Regional Blood Flow; Skin; Sympathetic Nervous System; Thoracic Nerves; Ultrasonography; Vasoconstriction; Yohimbine | 1993 |
Effects of dicentrine, a novel alpha 1-adrenoceptor antagonist, on human hyperplastic prostates.
Topics: Adrenergic alpha-Antagonists; Aged; Aged, 80 and over; Aporphines; Binding Sites; Dose-Response Relationship, Drug; Humans; In Vitro Techniques; Male; Middle Aged; Muscle Contraction; Muscle, Smooth; Norepinephrine; Phentolamine; Prazosin; Prostate; Prostatic Hyperplasia; Radioligand Assay; Yohimbine | 1994 |
Cooling augments human saphenous vein reactivity to electrical stimulation.
Topics: Cold Temperature; Electric Stimulation; Female; Humans; In Vitro Techniques; Isometric Contraction; Male; Middle Aged; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Receptors, Adrenergic, alpha-2; Saphenous Vein; Yohimbine | 1994 |
The mechanism underlying stimulation of gastric HCO3- secretion by the nitric oxide synthase inhibitor NG-nitro-L-arginine methyl ester in rats.
Topics: Amino Acid Oxidoreductases; Animals; Arginine; Bicarbonates; Blood Pressure; Capillary Permeability; Dose-Response Relationship, Drug; Gastric Mucosa; Heart Rate; Male; NG-Nitroarginine Methyl Ester; Nitric Oxide; Nitric Oxide Synthase; Prazosin; Rats; Rats, Sprague-Dawley; Vagotomy; Yohimbine | 1994 |
[The reactivity of the mesenteric arteries and vein to exposure to endogenous noradrenaline in normal rats and rats with DOCA-salt hypertension].
Topics: Animals; Desoxycorticosterone; Electric Stimulation; Hypertension; Male; Mesenteric Arteries; Mesenteric Veins; Nephrectomy; Norepinephrine; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha; Sodium Chloride; Vasoconstriction; Yohimbine | 1994 |
Alpha-adrenoceptors and angiotensinogen gene expression in opossum kidney cells.
Topics: Adrenergic alpha-Agonists; Affinity Labels; Alkaloids; Angiotensinogen; Animals; Cells, Cultured; Clonidine; Cyclic AMP-Dependent Protein Kinases; Gene Expression Regulation; Kidney Tubules; Opossums; Phenylephrine; Prazosin; Protein Kinase C; Receptors, Adrenergic, alpha; Staurosporine; Tetradecanoylphorbol Acetate; Yohimbine | 1995 |
Alpha-adrenergic pathways in the lateral hypothalamus are important for the dipsogenic effect of carbachol injected into the medial septal area.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Carbachol; Clonidine; Drinking; Hypothalamic Area, Lateral; Male; Phenylephrine; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha; Receptors, Cholinergic; Yohimbine | 1995 |
Comparison of the interaction of agmatine and crude methanolic extracts of bovine lung and brain with alpha 2-adrenoceptor binding sites.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Agmatine; Animals; Binding, Competitive; Brimonidine Tartrate; Cattle; Cerebral Cortex; Clonidine; Dioxanes; Idazoxan; Imidazoles; Lung; Methanol; Prazosin; Quinoxalines; Receptors, Adrenergic, alpha-2; Yohimbine | 1995 |
The role of alpha 2-adrenoceptors in the vasculature of the rat tail.
Topics: Adrenergic Antagonists; Animals; Blood Pressure; Blood Vessels; Body Temperature Regulation; Heart Rate; Injections, Intravenous; Male; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-2; Skin Temperature; Tail; Time Factors; Yohimbine | 1995 |
Effect of catecholamines on pulmonary circulation at elevated vascular tone.
Topics: 15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic Acid; Animals; Catecholamines; Dogs; Female; Lung; Male; Perfusion; Prazosin; Propranolol; Prostaglandin Endoperoxides, Synthetic; Pulmonary Circulation; Receptors, Adrenergic; Thromboxane A2; Vascular Resistance; Vasoconstrictor Agents; Yohimbine | 1995 |
Binding and functional characterization of alpha-2 adrenoceptors in isolated swine myometrium.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Animals; Electric Stimulation; Female; In Vitro Techniques; Kinetics; Myometrium; Norepinephrine; Prazosin; Radioligand Assay; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Swine; Uterine Contraction; Yohimbine | 1995 |
Role of the sympathetic nervous system in gastric functional changes induced by thyrotropin-releasing hormone in rats.
Topics: Adrenergic Fibers; Animals; Atropine; Blood Pressure; Gastric Acid; Male; Prazosin; Rats; Stomach; Thyrotropin-Releasing Hormone; Time Factors; Vagus Nerve; Yohimbine | 1995 |
Roles of alpha 1-adrenoceptor activity in the release of nitric oxide during ischemia of the canine heart.
Topics: Animals; Arginine; Dogs; Hemodynamics; Myocardial Ischemia; Myocardium; NG-Nitroarginine Methyl Ester; Nitric Oxide; Phentolamine; Prazosin; Propranolol; Receptors, Adrenergic, alpha-1; Yohimbine | 1995 |
Adrenoceptor-stimulated endothelium-dependent relaxation in porcine intrapulmonary arteries.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-Agonists; Animals; Arginine; Brimonidine Tartrate; Dose-Response Relationship, Drug; Endothelium, Vascular; Muscle Relaxation; Muscle, Smooth, Vascular; NG-Nitroarginine Methyl Ester; Nitric Oxide; Norepinephrine; Prazosin; Pulmonary Artery; Quinoxalines; Swine; Yohimbine | 1994 |
Influence of nonpeptide angiotensin II receptor antagonist, losartan, on neurogenic vasoconstriction.
Topics: Adenosine Triphosphate; Analysis of Variance; Angiotensin II; Animals; Biphenyl Compounds; Blood Pressure; Decerebrate State; Electric Stimulation; Imidazoles; In Vitro Techniques; Losartan; Male; Prazosin; Rats; Rats, Sprague-Dawley; Sympathetic Nervous System; Synaptic Transmission; Tetrazoles; Vasoconstriction; Yohimbine | 1995 |
Participation of hypothalamic paraventricular nucleus in locus ceruleus-induced baroreflex suppression in rats.
Topics: Adrenergic alpha-Antagonists; Animals; Baroreflex; Denervation; Immune Sera; Lidocaine; Locus Coeruleus; Male; Microinjections; Neuropeptide Y; Paraventricular Hypothalamic Nucleus; Prazosin; Rats; Rats, Sprague-Dawley; Yohimbine | 1995 |
Characterization of alpha 1-adrenoceptor subtypes in tension response of human prostate to electrical field stimulation.
Topics: Adrenergic Antagonists; Animals; Clonidine; Electric Stimulation; Humans; Hyperplasia; In Vitro Techniques; Isometric Contraction; Male; Muscle, Smooth; Nifedipine; Piperazines; Prazosin; Prostate; Rats; Receptors, Adrenergic, alpha-1; Spleen; Vas Deferens; Yohimbine | 1995 |
Luminal dopamine modulates canine ileal water and electrolyte transport.
Topics: 2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepine; Adrenergic alpha-Antagonists; Animals; Biological Transport; Dogs; Dopamine; Electrolytes; Female; Ileum; Intestinal Absorption; Prazosin; Water; Yohimbine | 1995 |
Increased pressure in venous sinusoids during decongestion of rat nasal mucosa induced by adrenergic agonists.
Topics: Adrenergic alpha-Agonists; Animals; Blood Pressure; Blood Volume; Clonidine; Extracellular Space; Female; Hemodynamics; Lasers; Nasal Decongestants; Nasal Mucosa; Norepinephrine; Paranasal Sinuses; Phentolamine; Phenylephrine; Prazosin; Rats; Rats, Sprague-Dawley; Regional Blood Flow; Vascular Resistance; Veins; Yohimbine | 1993 |
[Alpha adrenergic mechanism on the reflex micturition in the male decerebrate dog].
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Decerebrate State; Dogs; Male; Manometry; Midodrine; Prazosin; Reflex; Urethra; Urinary Bladder; Urination; Urodynamics; Yohimbine | 1993 |
cAMP and protein synthesis in isolated adult rat heart preparations.
Topics: 1-Methyl-3-isobutylxanthine; Adenine Nucleotides; Animals; Colforsin; Cyclic AMP; Cyclic AMP-Dependent Protein Kinases; Energy Metabolism; Epinephrine; Glucagon; Heart; Hypertension; In Vitro Techniques; Isoproterenol; Kinetics; Male; Myocardium; Perfusion; Phenylephrine; Phosphocreatine; Prazosin; Propranolol; Protein Biosynthesis; Rats; Rats, Sprague-Dawley; Yohimbine | 1993 |
Central alpha 1- and alpha 2-adrenoceptors and brain cholinergic stimulation in sinoaortic denervated rats.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Animals; Blood Pressure; Brain; Brain Chemistry; Denervation; Female; Heart Rate; Injections, Intraventricular; Male; Neostigmine; Norepinephrine; Oxidopamine; Parasympathetic Nervous System; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Sinoatrial Node; Yohimbine | 1994 |
Adrenoceptor mechanisms in epinephrine-induced anterior choroidal vasoconstriction in cats.
Topics: Adrenergic alpha-Agonists; Animals; Blood Pressure; Cats; Choroid; Dose-Response Relationship, Drug; Epinephrine; Muscle Contraction; Nictitating Membrane; Phentolamine; Prazosin; Propranolol; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1994 |
Examination of the role of inhibition of cyclic AMP in alpha 2-adrenoceptor mediated contractions of the porcine isolated palmar lateral vein.
Topics: Adrenergic alpha-2 Receptor Agonists; Animals; Colforsin; Cyclic AMP; Dose-Response Relationship, Drug; Forelimb; Norepinephrine; Prazosin; Veins; Yohimbine | 1995 |
The role of alpha-adrenergic mechanisms within the area postrema in dopamine-induced emesis.
Topics: Adrenergic alpha-Antagonists; alpha-Methyltyrosine; Animals; Atropine; Cats; Cerebral Ventricles; Dioxanes; Disease Models, Animal; Dopamine; Dopamine Antagonists; Dose-Response Relationship, Drug; Female; Hemicholinium 3; Idazoxan; Injections, Intraventricular; Male; Mecamylamine; Methyltyrosines; Methysergide; Naloxone; Oxidopamine; Prazosin; Reserpine; Tolazoline; Tyrosine 3-Monooxygenase; Vomiting; Yohimbine | 1995 |
Sustained negative inotropism mediated by alpha-adrenoceptors in adult mouse myocardia: developmental conversion from positive response in the neonate.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Aging; Animals; Animals, Newborn; Atropine; Clonidine; Dioxanes; Dose-Response Relationship, Drug; Heart; In Vitro Techniques; Mice; Myocardial Contraction; Myocardium; Norepinephrine; Phenylephrine; Piperazines; Prazosin; Propranolol; Receptors, Adrenergic, alpha; Yohimbine | 1995 |
The relationship between density of alpha-adrenoceptor binding sites and contractile responses in several porcine isolated blood vessels.
Topics: 5'-Nucleotidase; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Aorta, Thoracic; Binding, Competitive; Cell Membrane; Dioxanes; Dose-Response Relationship, Drug; Drug Interactions; Ear, External; Idazoxan; Male; Microscopy, Electron; Muscle Contraction; Muscle, Smooth, Vascular; Prazosin; Radioligand Assay; Receptors, Adrenergic, alpha; Splenic Artery; Structure-Activity Relationship; Swine; Veins; Yohimbine | 1995 |
Pharmacological characterization of noradrenaline-induced contractions of the porcine isolated palmar lateral vein and palmar common digital artery.
Topics: Adrenergic alpha-Antagonists; Animals; Arteries; Berberine; Drug Interactions; Drug Synergism; Forelimb; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenoxybenzamine; Prazosin; Receptors, Adrenergic, alpha; Reproducibility of Results; Sulfonamides; Swine; Veins; Yohimbine | 1995 |
Effects of catecholamine synthesis inhibitors and adrenergic receptor antagonists on restraint-induced LH release.
Topics: Adrenergic Antagonists; alpha-Methyltyrosine; Animals; Catecholamines; Ditiocarb; Hypothalamus; Luteinizing Hormone; Male; Methyltyrosines; Norepinephrine; Pituitary Gland; Prazosin; Rats; Rats, Wistar; Stress, Psychological; Tyrosine 3-Monooxygenase; Yohimbine | 1995 |
Alpha-adrenoceptor modulation of norepinephrine and ATP release in isolated kidneys of spontaneously hypertensive rats.
Topics: Adenosine Triphosphate; Animals; Electric Stimulation; Hypertension; Kidney; Norepinephrine; Prazosin; Rats; Rats, Inbred SHR; Rats, Inbred WKY; Receptors, Adrenergic, alpha; Suramin; Tetrodotoxin; Theophylline; Yohimbine | 1995 |
Effect of the vascular endothelium on noradrenaline-induced contractions in non-pregnant and pregnant guinea-pig uterine arteries.
Topics: Animals; Arginine; Arteries; Dose-Response Relationship, Drug; Endothelium, Vascular; Female; Guinea Pigs; Indomethacin; Muscle Contraction; Muscle, Smooth, Vascular; NG-Nitroarginine Methyl Ester; Nitric Oxide; Norepinephrine; Prazosin; Pregnancy; Pregnancy, Animal; Receptors, Adrenergic, alpha; Regional Blood Flow; Uterus; Yohimbine | 1995 |
Segmental differences in the density of autonomic receptors in dog vas deferens.
Topics: Animals; Dihydroalprenolol; Dogs; Epididymis; Male; Models, Biological; Prazosin; Prostate; Protein Binding; Quinuclidinyl Benzilate; Radioligand Assay; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Receptors, Adrenergic, beta; Receptors, Muscarinic; Tritium; Vas Deferens; Yohimbine | 1994 |
Effects of adrenoceptor antagonists on the hyperthermia and hyperglycemia induced by prostaglandin F2 alpha in rats.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Glucose; Body Temperature; Dinoprost; Fever; Hyperglycemia; Injections, Intraperitoneal; Injections, Intraventricular; Male; Phentolamine; Prazosin; Propranolol; Rats; Rats, Wistar; Yohimbine | 1994 |
Expression of two alpha 2-adrenergic receptor subtypes in human placenta: evidence from direct binding studies.
Topics: Adult; Binding, Competitive; Dibenzazepines; Female; Humans; Imidazoles; Indoles; Isoindoles; Placenta; Prazosin; Pregnancy; Receptors, Adrenergic, alpha-2; Tritium; Yohimbine | 1994 |
Mechanisms underlying stimulation of gastroduodenal HCO3- secretion by NG-nitro-L-arginine methyl ester, an inhibitor of nitric oxide synthase, in rats.
Topics: Animals; Arginine; Bicarbonates; Blood Pressure; Dose-Response Relationship, Drug; Duodenum; Gastric Mucosa; Heart Rate; Intestinal Mucosa; Male; NG-Nitroarginine Methyl Ester; Nitric Oxide; Prazosin; Rats; Rats, Sprague-Dawley; Stimulation, Chemical; Yohimbine | 1994 |
Cocaine and benzoylecgonine constrict cerebral arteries by different mechanisms.
Topics: Animals; Calcium; Cats; Cerebral Arteries; Cocaine; Female; Male; Norepinephrine; Oxidopamine; Prazosin; Ryanodine; Sympathectomy, Chemical; Vasoconstriction; Vasomotor System; Verapamil; Yohimbine | 1995 |
Pharmacological characterization of the inhibitory effect of (R)-alpha-methylhistamine on sympathetic cardiopressor responses in the pithed guinea-pig.
Topics: Adrenalectomy; Animals; Blood Pressure; Chlorpheniramine; Cimetidine; Drug Interactions; Electric Stimulation; Epinephrine; Guinea Pigs; Heart; Heart Rate; Histamine Agonists; Male; Methylhistamines; Piperidines; Prazosin; Spinal Cord; Sympathetic Nervous System; Vagotomy; Yohimbine | 1994 |
Vasopressin inhibits food intake in pygmy goats by activation of alpha 1-adrenergic receptors.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Animals; Depression, Chemical; Dioxanes; Dose-Response Relationship, Drug; Eating; Female; Goats; Idazoxan; Prazosin; Propranolol; Vasopressins; Yohimbine | 1994 |
Blockade of noradrenaline-induced constrictions by yohimbine and prazosin differs between consecutive segments of cutaneous arteries in guinea-pig ears.
Topics: Animals; Arteries; Dihydroergotamine; Ear, External; Female; Guinea Pigs; In Vitro Techniques; Ketanserin; Male; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Regional Blood Flow; Serotonin; Vasoconstriction; Yohimbine | 1994 |
Interactions of chloroethylclonidine with rauwolscine- and prazosin-sensitive adrenoceptors in dog saphenous vein.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic beta-Antagonists; Animals; Calcium; Calcium Channel Blockers; Clonidine; Dioxanes; Dogs; Extracellular Space; In Vitro Techniques; Membranes; Muscle Contraction; Muscle, Smooth, Vascular; Prazosin; Saphenous Vein; Yohimbine | 1994 |
Development and regulation of alpha adrenoceptors in kitten visual cortex.
Topics: Animals; Animals, Newborn; Autoradiography; Cats; Densitometry; Geniculate Bodies; Ligands; Prazosin; Receptors, Adrenergic, alpha; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Visual Cortex; Yohimbine | 1994 |
Characterization of alpha 1-adrenoceptors which mediate chronotropy in neonatal rat cardiac myocytes.
Topics: Animals; Animals, Newborn; Cells, Cultured; Cholesterol; GTP-Binding Proteins; Heart; Heart Rate; Immunoblotting; Inositol 1,4,5-Trisphosphate; Membranes; Myocardium; Phospholipids; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Signal Transduction; Yohimbine | 1993 |
Regional distribution and heterogeneity of alpha-adrenoceptors in the rat and human central nervous system.
Topics: Adrenergic alpha-Agonists; Animals; Autoradiography; Brain; Brain Chemistry; Brimonidine Tartrate; Humans; Organ Specificity; Prazosin; Quinoxalines; Rats; Receptors, Adrenergic, alpha; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Species Specificity; Tritium; Yohimbine | 1993 |
Clonidine and phenylephrine injected into the lateral preoptic area reduce water intake in dehydrated rats.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Animals; Clonidine; Dehydration; Drinking Behavior; Injections; Male; Phenylephrine; Prazosin; Preoptic Area; Rats; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Yohimbine | 1993 |
Neural ATP release and its alpha 2-adrenoceptor-mediated modulation in guinea-pig vas deferens.
Topics: Adenosine Triphosphate; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Animals; Brimonidine Tartrate; Electric Stimulation; Guinea Pigs; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth; Neurons; Norepinephrine; Prazosin; Purinergic P2 Receptor Antagonists; Quinoxalines; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Receptors, Purinergic P2; Suramin; Vas Deferens; Yohimbine | 1993 |
Prejunctional alpha 2-adrenoceptors inhibit acetylcholine release from cholinergic nerves in equine airways.
Topics: Acetylcholine; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Brimonidine Tartrate; Clonidine; Dioxanes; Dose-Response Relationship, Drug; Electric Stimulation; Horses; Idazoxan; In Vitro Techniques; Isometric Contraction; Muscle, Smooth; Norepinephrine; Prazosin; Quinoxalines; Receptors, Adrenergic, alpha-2; Sympathetic Nervous System; Trachea; Yohimbine | 1993 |
Sympathetic transmission to the dilator muscle of the rat iris.
Topics: Adrenergic alpha-Antagonists; Alkylating Agents; Animals; Clonidine; Dioxanes; Iris; Membrane Potentials; Neuroeffector Junction; Norepinephrine; Parasympathetic Nervous System; Prazosin; Rats; Receptors, Adrenergic, alpha-1; Sympathetic Nervous System; Synaptic Transmission; Synaptic Vesicles; Yohimbine | 1993 |
ANG II reverses selective inhibition of alpha 2-adrenoceptor sensitivity after in vitro isolation of arterioles.
Topics: Adrenergic alpha-Agonists; Angiotensin II; Animals; Arterioles; Brimonidine Tartrate; Histological Techniques; In Vitro Techniques; Phenylephrine; Prazosin; Quinoxalines; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha; Yohimbine | 1993 |
An alpha-adrenoceptor-mediated mechanism of hypoactivity induced by beta-amyrin palmitate.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Antidepressive Agents; Apomorphine; Clonidine; Dopamine Agents; Dose-Response Relationship, Drug; Male; Mice; Mice, Inbred Strains; Motor Activity; Oleanolic Acid; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Triterpenes; Yohimbine | 1993 |
Role of adrenergic pathways of the medial preoptic area in ANGII-induced water intake and renal excretion in rats.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic beta-Antagonists; Angiotensin II; Animals; Autonomic Pathways; Blood Pressure; Drinking; Injections; Kidney; Male; Natriuresis; Potassium; Prazosin; Preoptic Area; Propranolol; Rats; Yohimbine | 1994 |
Probable post-synaptic alpha 2 adrenergic mediated effect of xylazine on goat uterine motility.
Topics: Adrenergic alpha-Agonists; Animals; Dose-Response Relationship, Drug; Electrophysiology; Estrus; Female; Goats; Muscle, Smooth; Myometrium; Prazosin; Receptors, Adrenergic, alpha-2; Reserpine; Uterine Contraction; Xylazine; Yohimbine | 1994 |
Alpha 2-adrenoceptor binding sites vary along the length of the male reproductive tract: a possible basis for the regional variation in response to field stimulation.
Topics: Adrenergic alpha-Antagonists; Animals; Binding, Competitive; Dioxanes; Electric Stimulation; Epididymis; Idazoxan; In Vitro Techniques; Male; Membranes; Muscle Contraction; Prazosin; Radioligand Assay; Rats; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Vas Deferens; Yohimbine | 1994 |
Similar ligand binding in recombinant human alpha 2 C2-adrenoceptors produced in mammalian, insect and yeast cells.
Topics: Adrenergic alpha-Antagonists; Amino Acid Sequence; Animals; Cells, Cultured; Chlorpromazine; Dioxanes; Humans; Idazoxan; Immunoblotting; Mammary Neoplasms, Experimental; Mice; Molecular Sequence Data; Moths; Oxymetazoline; Prazosin; Receptors, Adrenergic, alpha; Recombinant Proteins; Saccharomyces cerevisiae; Transfection; Tumor Cells, Cultured; Yohimbine | 1994 |
Effects of maturation on alpha-adrenergic receptor affinity and occupancy in small cerebral arteries.
Topics: Adrenergic alpha-Antagonists; Aging; Animals; Animals, Newborn; Binding, Competitive; Cerebral Arteries; Cystamine; Dose-Response Relationship, Drug; Norepinephrine; Prazosin; Receptors, Adrenergic, alpha; Sheep; Vasoconstriction; Yohimbine | 1994 |
Autonomic regulation of nasal vessels during changes in body position.
Topics: Administration, Intranasal; Adult; Airway Resistance; Capillaries; Head-Down Tilt; Humans; Laser-Doppler Flowmetry; Microcirculation; Nose; Placebos; Posture; Prazosin; Pulmonary Ventilation; Receptors, Adrenergic, alpha; Sodium Chloride; Supine Position; Yohimbine | 1994 |
Acute stress-induced hyperinsulinemia in the pertussis toxin-treated rat: possible role of humoral beta-cell-tropic factors.
Topics: Acute Disease; Adrenal Medulla; Adrenergic alpha-Antagonists; Adrenocorticotropic Hormone; Analysis of Variance; Animals; Blood Glucose; Culture Techniques; Dioxanes; Hyperinsulinism; Idazoxan; Insulin; Islets of Langerhans; Male; Peptide Fragments; Pertussis Toxin; Prazosin; Rats; Rats, Sprague-Dawley; Stress, Physiological; Virulence Factors, Bordetella; Yohimbine | 1994 |
P1-purinoceptor-mediated modulation of neural noradrenaline and ATP release in guinea-pig vas deferens.
Topics: Action Potentials; Adenosine; Adenosine Triphosphate; Animals; Electric Stimulation; Guinea Pigs; In Vitro Techniques; Male; Muscle, Smooth; Norepinephrine; Prazosin; Receptors, Adrenergic, alpha; Receptors, Purinergic P1; Receptors, Purinergic P2; Suramin; Vas Deferens; Yohimbine | 1994 |
Role of lateral preoptic area alpha-1 and alpha-2 adrenoceptors in sleep-wakefulness and body temperature regulation.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Animals; Body Temperature Regulation; Circadian Rhythm; Clonidine; Electroencephalography; Electromyography; Electrooculography; Male; Methoxamine; Microinjections; Prazosin; Preoptic Area; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Sleep; Time Factors; Wakefulness; Yohimbine | 1994 |
The interaction between enalaprilat and selected alpha-adrenoceptor antagonists in isolated rat tail arteries.
Topics: Adrenergic alpha-Antagonists; Angiotensin II; Animals; Arteries; Computer Simulation; Drug Interactions; Drug Synergism; Enalaprilat; Muscle, Smooth, Vascular; Phenoxybenzamine; Phentolamine; Phenylephrine; Prazosin; Rats; Tail; Yohimbine | 1994 |
The differential roles of sympathetic nerve activity in the pathogenesis of antral and corpus lesions induced by indomethacin in rats.
Topics: Animals; Blood Glucose; Catecholamines; Gastric Mucosa; Indomethacin; Insulin; Male; Oxidopamine; Prazosin; Prostaglandins; Rats; Rats, Sprague-Dawley; Stomach Ulcer; Streptozocin; Sympathetic Nervous System; Yohimbine | 1994 |
Adrenergic regulation of prostaglandin biosynthesis in cultured rabbit gastric epithelial cells.
Topics: 6-Ketoprostaglandin F1 alpha; Animals; Arachidonic Acid; Cells, Cultured; Dinoprostone; Epinephrine; Epithelial Cells; Epithelium; Epoprostenol; Female; Gastric Mucosa; Norepinephrine; Phentolamine; Prazosin; Pregnancy; Propranolol; Prostaglandins; Rabbits; Radioligand Assay; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Receptors, Muscarinic; Stomach; Yohimbine | 1994 |
Delayed-response deficit induced by local injection of the alpha 2-adrenergic antagonist yohimbine into the dorsolateral prefrontal cortex in young adult monkeys.
Topics: Animals; Brain Mapping; Female; Macaca mulatta; Mental Recall; Orientation; Prazosin; Prefrontal Cortex; Propranolol; Psychomotor Performance; Reaction Time; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Yohimbine | 1994 |
Diaspirin cross-linked hemoglobin (DCLHB): involvement of adrenergic mechanisms in the pressor effect.
Topics: Adrenal Medulla; Adrenalectomy; Animals; Aspirin; Blood Pressure; Blood Substitutes; Clonidine; Drug Interactions; Hemoglobins; Male; Phenylephrine; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha; Yohimbine | 1994 |
Influences of urethane anesthesia on indomethacin-induced gastric mucosal lesions in rats. Relation to blood glucose levels.
Topics: Anesthesia, General; Animals; Blood Glucose; Gastric Acid; Gastric Mucosa; Gastrointestinal Motility; Indomethacin; Male; Pentobarbital; Prazosin; Rats; Rats, Sprague-Dawley; Stomach Ulcer; Urethane; Yohimbine | 1994 |
Effect of clonidine on induced cough and bronchoconstriction in guinea pigs and healthy humans.
Topics: Administration, Inhalation; Administration, Oral; Adrenergic alpha-2 Receptor Antagonists; Adult; Airway Resistance; Animals; Blood Pressure; Bronchoconstriction; Capsaicin; Citrates; Citric Acid; Clonidine; Cough; Female; Guinea Pigs; Heart Rate; Humans; Male; Prazosin; Receptors, Adrenergic, alpha-2; Species Specificity; Yohimbine | 1994 |
Monoamine receptors in the amygdaloid complex of the tree shrew (Tupaia belangeri).
Topics: 8-Hydroxy-2-(di-n-propylamino)tetralin; Amygdala; Animals; Autoradiography; Iodocyanopindolol; Pindolol; Prazosin; Receptors, Biogenic Amine; Tupaiidae; Yohimbine | 1994 |
On the characterization of dopamine-induced contractile response of rat anococcygeus muscle preparation.
Topics: 2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepine; Animals; Azepines; Benzazepines; Desipramine; Dioxanes; Dopamine; Female; Haloperidol; Idazoxan; Male; Muscle Contraction; Prazosin; Rats; Receptors, Adrenergic; Receptors, Dopamine; Reserpine; Sulpiride; Yohimbine | 1994 |
Influence of the formamidine pesticide amitraz and its metabolites on porcine myometrial contractility: involvement of alpha 2-adrenoceptors and Ca2+ channels.
Topics: Amidines; Animals; Calcium; Calcium Channels; Carbachol; Dose-Response Relationship, Drug; Female; Insecticides; Luteal Phase; Myometrium; Prazosin; Receptors, Adrenergic, alpha-2; Swine; Toluidines; Uterine Contraction; Verapamil; Yohimbine | 1994 |
Alpha-adrenergic receptor responsiveness in vascular smooth muscle of canine bone.
Topics: Adrenergic alpha-Agonists; Animals; Brimonidine Tartrate; Dogs; Dose-Response Relationship, Drug; Female; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Quinoxalines; Receptors, Adrenergic, alpha; Regional Blood Flow; Tibia; Yohimbine | 1993 |
Selective alterations in transglutaminase activity of rat superior cervical ganglia in response to neurotransmitters, high potassium and sialic acid-containing compounds.
Topics: Acetylcholine; Aerobiosis; Animals; Atropine; Cholesterol Esters; Female; G(M1) Ganglioside; Ganglia, Sympathetic; Hexamethonium; Hexamethonium Compounds; In Vitro Techniques; Male; Norepinephrine; Potassium Chloride; Prazosin; Propranolol; Rats; Rats, Wistar; Sialic Acids; Transglutaminases; Yohimbine | 1993 |
Atrial natriuretic peptide inhibits the purinergic and not the adrenergic component of electrically induced contractile responses in guinea pig vas deferens.
Topics: Adenosine Triphosphate; Adrenergic Antagonists; Animals; Atrial Natriuretic Factor; Electric Stimulation; Guinea Pigs; In Vitro Techniques; Indomethacin; Male; Muscle Contraction; Naloxone; Neurotransmitter Agents; Nitrendipine; Phenylephrine; Prazosin; Receptors, Adrenergic; Receptors, Purinergic; Vas Deferens; Verapamil; Yohimbine | 1993 |
Antinociceptive effects of intrathecal administration of alpha-adrenoceptor antagonists and clonidine in the formalin test in the mouse.
Topics: Adrenergic alpha-Antagonists; Analgesics; Animals; Body Temperature; Clonidine; Formaldehyde; Injections, Spinal; Male; Mice; Mice, Inbred Strains; Motor Activity; Pain; Pain Measurement; Prazosin; Yohimbine | 1993 |
The effects of tyramine on salivary flow rate and protein secretion by rat submandibular glands.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Analysis of Variance; Animals; Isoelectric Focusing; Male; Metoprolol; Phenoxybenzamine; Prazosin; Propanolamines; Propranolol; Protease Inhibitors; Rats; Rats, Sprague-Dawley; Saliva; Salivary Proteins and Peptides; Salivation; Secretory Rate; Serine Endopeptidases; Stimulation, Chemical; Submandibular Gland; Tyramine; Yohimbine | 1993 |
Evidence for the presence of noradrenergic neurons and their inhibitory action on luteinizing hormone-releasing hormone release in cultured fetal rat hypothalamic cells.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; alpha-Methyltyrosine; Animals; Cells, Cultured; Clonidine; Female; Fetus; Gonadotropin-Releasing Hormone; Hypothalamus; Methyltyrosines; Neurons; Phenylephrine; Prazosin; Pregnancy; Rats; Rats, Sprague-Dawley; Yohimbine | 1993 |
Alpha 2-adrenergic blockade prevents hyperglycemia and hepatic glutathione depletion in nickel-injected rats.
Topics: Adrenergic alpha-Antagonists; Analysis of Variance; Animals; Female; Glucagon; Glutathione; Hyperglycemia; Insulin; Liver; Nickel; Phentolamine; Prazosin; Propranolol; Rats; Rats, Wistar; Yohimbine | 1993 |
Cerebral blood flow decreased by adrenergic stimulation of cerebral vessels in anesthetized newborn pigs with traumatic brain injury.
Topics: Adrenergic alpha-Antagonists; Animals; Animals, Newborn; Arterioles; Blood Pressure; Brain Injuries; Cerebrovascular Circulation; Female; Hydrogen-Ion Concentration; Male; Pia Mater; Prazosin; Swine; Yohimbine | 1993 |
Central alpha 2-adrenoceptor-mediated inhibition of gastric motility in rats.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Brain Stem; Clonidine; Gastrointestinal Motility; Male; Norepinephrine; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha; Yohimbine | 1993 |
Modulation of hematopoiesis via alpha 1-adrenergic receptors on bone marrow cells.
Topics: Animals; Blood Platelets; Bone Marrow; Bone Marrow Cells; Cells, Cultured; Centrifugation; Female; Granulocytes; Hematopoiesis; Methoxamine; Mice; Mice, Inbred C57BL; Oxidopamine; Phentolamine; Prazosin; Receptors, Adrenergic, alpha-1; Tritium; Yohimbine | 1994 |
Alpha 1-adrenoceptors in the human prostatic urethra are different from those of the human peripheral arteries.
Topics: Arteries; Atropine; Clonidine; Dioxanes; Humans; Iliac Artery; Isometric Contraction; Male; Muscle, Smooth; Muscle, Smooth, Vascular; Phenylephrine; Piperazines; Prazosin; Propranolol; Receptors, Adrenergic, alpha-1; Urethra; Yohimbine | 1993 |
Vasoactive intestinal peptide: electrophysiologic activity in the newborn heart.
Topics: Animals; Animals, Newborn; Atrioventricular Node; Blood Pressure; Dogs; Electrophysiology; Heart; Heart Rate; Prazosin; Receptors, Adrenergic, alpha; Vasoactive Intestinal Peptide; Yohimbine | 1994 |
Combined effect of adenosine, alpha adrenergic and adenosine antagonists on serum insulin and insulin secretion from rat pancreatic islets.
Topics: Adenosine; Animals; Drug Interactions; Female; Glucose; In Vitro Techniques; Insulin; Insulin Secretion; Islets of Langerhans; Prazosin; Rats; Rats, Wistar; Theophylline; Xanthines; Yohimbine | 1994 |
Distribution and density of alpha- and beta-adrenergic receptor binding sites in the bovine mammary gland.
Topics: Animals; Binding, Competitive; Cattle; Cell Membrane; Dihydroalprenolol; Female; Kinetics; Mammary Glands, Animal; Prazosin; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Tritium; Yohimbine | 1994 |
Alpha-adrenergic receptors in human myometrium: changes during pregnancy.
Topics: Analysis of Variance; Female; Humans; Kinetics; Myometrium; Prazosin; Pregnancy; Pregnancy Trimester, Second; Pregnancy Trimester, Third; Radioligand Assay; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Yohimbine | 1993 |
Neural modulation of bovine mesenteric lymph node contraction.
Topics: Adenosine Triphosphate; Animals; Atropine; Cattle; Cocaine; Electric Stimulation; Evoked Potentials; Isometric Contraction; Lymph Nodes; Mesentery; Neurons; Phentolamine; Prazosin; Propranolol; Tetrodotoxin; Yohimbine | 1993 |
Axon terminal P2-purinoceptors in feedback control of sympathetic transmitter release.
Topics: Adenosine Triphosphate; Animals; Axons; Desipramine; Drug Interactions; Feedback; GTP-Binding Proteins; Male; Mice; Nifedipine; Norepinephrine; Prazosin; Purinergic Antagonists; Receptors, Purinergic; Suramin; Sympathetic Nervous System; Triazines; Vas Deferens; Virulence Factors, Bordetella; Xanthines; Yohimbine | 1993 |
Cocaine acutely increases rat myometrial contractile activity by mechanisms other than potentiation of adrenergic pathways.
Topics: Animals; Catecholamines; Cocaine; Female; In Vitro Techniques; Myometrium; Prazosin; Pregnancy; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha; Reserpine; Uterine Contraction; Yohimbine | 1993 |
Age-related changes of noradrenergic-NPY interaction in rat brain: norepinephrine, NPY levels and alpha-adrenoceptors.
Topics: Aging; Animals; Brain Stem; Hypothalamus; Male; Neuropeptide Y; Norepinephrine; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha; Yohimbine | 1993 |
Adrenergic control mechanisms of blood flow in a vascularized canine tibial allograft.
Topics: Animals; Capillary Permeability; Dogs; Female; Male; Microspheres; Prazosin; Receptors, Adrenergic; Regional Blood Flow; Tibia; Transplantation, Homologous; Yohimbine | 1993 |
[The phasic contraction of the guinea pig vas deferens in organotypic culture during periodic stretching].
Topics: Animals; Ascorbic Acid; Culture Techniques; Dose-Response Relationship, Drug; Guinea Pigs; Male; Muscle Contraction; Muscle, Smooth; Norepinephrine; Periodicity; Physical Stimulation; Prazosin; Time Factors; Vas Deferens; Yohimbine | 1993 |
Characterization of subtypes of alpha-2 adrenoceptors in the human brain.
Topics: Binding Sites; Binding, Competitive; Brain Chemistry; Caudate Nucleus; Humans; Oxymetazoline; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 1993 |
Naloxone potentiation of novelty-induced hypoalgesia: characterization of the alpha-noradrenergic receptor subtype.
Topics: Animals; Clonidine; Drug Synergism; Habituation, Psychophysiologic; Male; Naloxone; Pain; Phentolamine; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1993 |
Biphasic effects of typical antidepressants and mianserin, an atypical antidepressant, on aggressive behavior in socially isolated mice.
Topics: Aggression; Amitriptyline; Animals; Antidepressive Agents; Brain Chemistry; Clomipramine; Male; Maprotiline; Mianserin; Mice; Mice, Inbred Strains; Motor Activity; Norepinephrine; Prazosin; Receptors, Adrenergic, alpha; Selective Serotonin Reuptake Inhibitors; Social Isolation; Yohimbine | 1993 |
Antagonism of vasoconstriction by muscle contraction differs with alpha-adrenergic subtype.
Topics: Animals; Arterioles; Blood Pressure; Cats; Electric Stimulation; Female; Male; Muscle Contraction; Muscles; Norepinephrine; Phenylephrine; Prazosin; Receptors, Adrenergic, beta; Sympathetic Nervous System; Vasoconstriction; Vasopressins; Yohimbine | 1993 |
Inverse regulation of alpha- and beta-adrenoceptors during trinitrobenzenesulfonic acid (TNB)-induced inflammation in guinea-pig small intestine.
Topics: Animals; Dihydroalprenolol; Disease Models, Animal; Enteritis; Guinea Pigs; Intestinal Mucosa; Intestine, Small; Kinetics; Male; Membranes; Prazosin; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Trinitrobenzenesulfonic Acid; Tritium; Yohimbine | 1993 |
Stimulatory effect of norepinephrine on progesterone production by human first trimester placenta explants in vitro.
Topics: Atenolol; Clonidine; Culture Media, Serum-Free; Cyclic AMP; Female; Gadolinium; Gonadotropin-Releasing Hormone; Humans; Nifedipine; Norepinephrine; Organ Culture Techniques; Prazosin; Pregnancy; Pregnancy Trimester, First; Progesterone; Stimulation, Chemical; Trophoblasts; Yohimbine | 1993 |
Autoradiographic localization of prazosin and rauwolscine binding sites in the human kidney.
Topics: Animals; Autoradiography; Binding Sites; Humans; Kidney; Male; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha; Tritium; Yohimbine | 1993 |
Involvement of alpha 1- but not alpha 2-adrenergic systems in the antagonizing effect of paeoniflorin on scopolamine-induced deficit in radial maze performance in rats.
Topics: Animals; Benzoates; Bridged-Ring Compounds; Glucosides; Learning; Male; Memory; Monoterpenes; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha; Scopolamine; Yohimbine | 1993 |
Postjunctional alpha 1- and alpha 2-adrenoceptors in cat forepaw vasculature.
Topics: Animals; Cats; Electric Stimulation; Female; Foot; Forelimb; Male; Prazosin; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1993 |
A study of alpha 1- and alpha 2-adrenoceptor responsiveness in diabetic insipidus dogs.
Topics: Amino Acid Sequence; Animals; Arginine Vasopressin; Blood Platelets; Blood Pressure; Diabetes Insipidus; Dogs; Male; Molecular Sequence Data; Prazosin; Propranolol; Receptors, Adrenergic, alpha; Yohimbine | 1993 |
Effects of noradrenaline on the firing rate of vestibular neurons.
Topics: Action Potentials; Animals; Clonidine; Dose-Response Relationship, Drug; Electrophysiology; Eye Movements; Iontophoresis; Isoproterenol; Male; Movement; Neurons; Norepinephrine; Phentolamine; Prazosin; Rats; Rats, Wistar; Vestibular Nuclei; Vestibule, Labyrinth; Yohimbine | 1993 |
Central alpha 1-adrenoceptors mediate the pressor response to intracerebroventricular injection of noradrenaline in unanesthetized rats.
Topics: Animals; Blood Pressure; Dose-Response Relationship, Drug; Injections, Spinal; Male; Methoxamine; Norepinephrine; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Yohimbine | 1995 |
Changes in the hypothalamic interaction between norepinephrine and prostaglandin E2 during sexual maturation in female rats.
Topics: Age Factors; Animals; Arachidonic Acid; Dinoprostone; Female; Hypothalamus; Norepinephrine; Prazosin; Prostaglandins; Rats; Yohimbine | 1995 |
Effects of alpha-adrenergic blockade on regional myocardial function in canine ischemic myocardium during beta-adrenergic blockade.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Coronary Circulation; Dogs; Female; Hemodynamics; Male; Myocardial Contraction; Myocardial Ischemia; Myocardium; Prazosin; Propranolol; Prospective Studies; Quinazolines; Random Allocation; Yohimbine | 1995 |
Investigation of the actions of chloroethylclonidine in rat aorta.
Topics: Adrenergic alpha-Antagonists; Analysis of Variance; Animals; Aorta; Clonidine; Cystamine; Dioxanes; Dose-Response Relationship, Drug; Drug Synergism; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Oxathiins; Phenoxybenzamine; Phentolamine; Piperazines; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Spiperone; Xylazine; Yohimbine | 1995 |
[Evidence for two alpha 2B-adrenoreceptor isoforms in the renal cortex of salt-sensitive and salt resistant Sabra rats. Effect of salt loading].
Topics: Adrenergic alpha-Antagonists; Animals; Antihypertensive Agents; Binding, Competitive; Guanabenz; Hypertension; Kidney Cortex; Male; Oxymetazoline; Prazosin; Rats; Receptors, Adrenergic, alpha-2; Sodium, Dietary; Yohimbine | 1995 |
Action of dexmedetomidine on rat locus coeruleus neurones: intracellular recording in vitro.
Topics: Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Barium Compounds; Cesium; Chlorides; Clonidine; Electrophysiology; Imidazoles; In Vitro Techniques; Locus Coeruleus; Male; Medetomidine; Membrane Potentials; Neurons; Oxymetazoline; Parasympathetic Fibers, Postganglionic; Prazosin; Rats; Rats, Sprague-Dawley; Yohimbine | 1995 |
Hypotensive effect of intracerebroventricular injection of norepinephrine and its modulation by alpha and beta adrenergic blockers in conscious rabbits.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Blood Pressure; Butoxamine; Dose-Response Relationship, Drug; Female; Heart Rate; Injections, Intravenous; Injections, Intraventricular; Male; Metoprolol; Norepinephrine; Prazosin; Rabbits; Yohimbine | 1995 |
Dopaminergic and alpha-adrenergic control of neurotransmission in human right atrium.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adult; Aged; Benzazepines; Brimonidine Tartrate; Domperidone; Dopamine Agonists; Dopamine Antagonists; Electric Stimulation; Ergolines; Female; Fenoldopam; Heart Atria; Humans; In Vitro Techniques; Male; Methoxamine; Middle Aged; Norepinephrine; Prazosin; Quinoxalines; Quinpirole; Receptors, Adrenergic, alpha; Receptors, Dopamine; Sulpiride; Synaptic Transmission; Yohimbine | 1995 |
Power spectral analysis of electroencephalographic desynchronization induced by cocaine in rats: correlation with evaluation of noradrenergic neurotransmission at the medial prefrontal cortex.
Topics: Adrenergic Agents; Animals; Benzylamines; Cocaine; Electroencephalography; Extracellular Space; Male; Microinjections; Norepinephrine; Osmolar Concentration; Prazosin; Prefrontal Cortex; Rats; Rats, Sprague-Dawley; Synaptic Transmission; Time Factors; Yohimbine | 1995 |
alpha 2-Adrenergic receptor binding in canine Purkinje fibers.
Topics: Adrenergic alpha-Antagonists; Animals; Dogs; Female; Heart Ventricles; Kinetics; Male; Myocardium; Prazosin; Purkinje Fibers; Radioligand Assay; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Yohimbine | 1996 |
Ischemia-induced peripheral arterial vasospasm role of alpha 1- and alpha 2-adrenoceptors.
Topics: Animals; Dogs; Femoral Artery; Ischemia; Male; Methoxamine; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Radioligand Assay; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Vasoconstriction; Yohimbine | 1996 |
Effect of maturation on alpha-adrenoceptor activity in newborn piglet mesentery.
Topics: Age Factors; Animals; Animals, Newborn; Female; Male; Mesenteric Arteries; Prazosin; Receptors, Adrenergic, alpha; Swine; Vasoconstriction; Yohimbine | 1996 |
Cardiovascular regulation in mice lacking alpha2-adrenergic receptor subtypes b and c.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Blood Pressure; Gene Targeting; Heart Rate; Imidazoles; Kidney; Medetomidine; Mice; Mice, Inbred C57BL; Mice, Inbred Strains; Mice, Knockout; Muscle, Smooth, Vascular; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha-2; Yohimbine | 1996 |
Influence of adrenoceptor agonists and antagonists on fluid secretion in small bowel obstruction.
Topics: Adrenergic Agonists; Adrenergic Antagonists; Albuterol; Analysis of Variance; Animals; Body Water; Clonidine; Intestinal Obstruction; Intestine, Small; Jejunal Diseases; Male; Metoprolol; Phenylephrine; Prazosin; Prenalterol; Rats; Rats, Sprague-Dawley; Yohimbine | 1995 |
Analysis of the mechanisms underlying the antinociceptive effect of the extracts of plants from the genus Phyllanthus.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Analgesics; Animals; Arginine; Capsaicin; Clonidine; Male; Mice; Nitroarginine; Pain; Phenylephrine; Plant Extracts; Prazosin; Yohimbine | 1995 |
Comparative effects of idazoxan, prazosin, and yohimbine on coronary ligation-induced arrhythmias in spontaneously hypertensive rats.
Topics: Adrenergic alpha-Antagonists; Animals; Arrhythmias, Cardiac; Coronary Vessels; Hemodynamics; Idazoxan; Ligation; Male; Prazosin; Rats; Rats, Inbred SHR; Yohimbine | 1996 |
Influence of adrenergic and cholinergic mediators on the equine jejunum in vitro.
Topics: Acetylcholine; Adrenergic Agonists; Adrenergic Antagonists; Animals; Atropine; Brimonidine Tartrate; Calcium Channel Blockers; Cholinergic Agonists; Cholinergic Antagonists; Dose-Response Relationship, Drug; Horses; Isoproterenol; Jejunum; Muscle Contraction; Muscle, Smooth; Norepinephrine; Oxymetazoline; Parasympathetic Nervous System; Phentolamine; Phenylephrine; Prazosin; Quinoxalines; Sympathetic Nervous System; Tetrodotoxin; Verapamil; Yohimbine | 1996 |
Influence of mediobasal hypothalamic lesion and catecholamine receptor antagonists on ultradian rhythm of EEG in the posterior hypothalamus of the rat.
Topics: Animals; Circadian Rhythm; Electroencephalography; Hypothalamus; Male; Prazosin; Propranolol; Rats; Rats, Sprague-Dawley; Sulpiride; Time Factors; Yohimbine | 1996 |
Role of the alpha 1-, and alpha 2- and beta-adrenoceptors of the median preoptic area on the water intake, renal excretion, and arterial pressure induced by ANG II.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Angiotensin II; Animals; Blood Pressure; Drinking; Kidney; Male; Potassium; Prazosin; Preoptic Area; Propranolol; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Receptors, Adrenergic, beta; Sodium; Urination; Yohimbine | 1996 |
Norepinephrine induces expression of c-fos mRNA through the alpha-adrenoceptor in rat aortic rings.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Aorta, Thoracic; Gene Expression Regulation; Genes, fos; In Vitro Techniques; Male; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Propranolol; Rats; Rats, Sprague-Dawley; RNA, Messenger; Yohimbine | 1995 |
Determination on functional basis of presynaptic alpha 2-adrenoceptor subtypes in guinea-pig duodenum.
Topics: Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Cholinergic Fibers; Duodenum; Electric Stimulation; Gastrointestinal Motility; Guinea Pigs; Idazoxan; Imidazoles; Indoles; Isoindoles; Isoquinolines; Male; Medetomidine; Muscle Contraction; Nordefrin; Norepinephrine; Oxymetazoline; Piperazines; Prazosin; Receptors, Adrenergic, alpha-2; Synaptic Membranes; Vasoconstrictor Agents; Xylazine; Yohimbine | 1996 |
Pharmacological characterization of adrenoceptors mediating contractile and relaxant responses to noradrenaline in the longitudinal muscle of guinea-pig ileum.
Topics: Animals; Cecum; Dose-Response Relationship, Drug; Guinea Pigs; Ileum; In Vitro Techniques; Male; Methoxamine; Muscle Contraction; Muscle Relaxation; Muscle, Smooth; Norepinephrine; Prazosin; Propranolol; Yohimbine | 1996 |
Alpha adrenergic neurons inhibit luteinizing hormone pulse amplitude in breeding season ewes.
Topics: Adrenergic alpha-Antagonists; Animals; Drug Implants; Estradiol; Feedback; Female; Luteinizing Hormone; Neurons; Ovariectomy; Phenoxybenzamine; Prazosin; Preoptic Area; Receptors, Adrenergic, alpha; Reproduction; Seasons; Sheep; Yohimbine | 1996 |
Buffers differentially alter the binding of [3H]rauwolscine and [3H]RX821002 to the alpha-2 adrenergic receptor subtypes.
Topics: Animals; Buffers; CHO Cells; Cricetinae; Humans; Idazoxan; Kinetics; Opossums; Oxymetazoline; Prazosin; Radioligand Assay; Rats; Receptors, Adrenergic, alpha-2; Recombinant Proteins; Species Specificity; Yohimbine | 1996 |
Noradrenergic transmission in the tail artery of hypertensive rats transgenic for the mouse renin gene Ren-2.
Topics: Animals; Animals, Genetically Modified; Arteries; Electric Stimulation; Hypertension; Male; Mice; Norepinephrine; Phentolamine; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-2; Receptors, Adrenergic, beta; Renin; Synaptic Transmission; Tetrodotoxin; Vasoconstriction; Yohimbine | 1996 |
Inhibition by intrathecal prazosin but not yohimbine of fentanyl-induced muscular rigidity in the rat.
Topics: Adrenergic alpha-Antagonists; Analgesics, Opioid; Animals; Electromyography; Fentanyl; Injections, Intravenous; Injections, Spinal; Locus Coeruleus; Male; Microinjections; Muscle Rigidity; Muscle, Skeletal; Prazosin; Rats; Rats, Sprague-Dawley; Yohimbine | 1995 |
Molecular and pharmacological identity of the alpha 2D-adrenergic receptor subtype in bovine retina and its photoreceptors.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Amino Acid Sequence; Animals; Benzazepines; Cattle; Gene Expression; Humans; Ligands; Mice; Molecular Sequence Data; Oxymetazoline; Photoreceptor Cells; Prazosin; Rats; Receptors, Adrenergic, alpha-2; Retina; Sequence Alignment; Yohimbine | 1996 |
Adrenoceptor antagonists, but not guanethidine, reduce glucopenia-induced glucagon secretion from perfused rat pancreas.
Topics: Adrenergic Agents; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Drug Combinations; Glucagon; Glucose; Guanethidine; Insulin; Insulin Secretion; Male; Norepinephrine; Pancreas; Perfusion; Prazosin; Propranolol; Rats; Rats, Wistar; Time Factors; Tyramine; Yohimbine | 1995 |
Acquisition of a runway motor learning task is impaired by a beta adrenergic antagonist in F344 rats.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Learning; Male; Motor Activity; Postural Balance; Prazosin; Propranolol; Psychomotor Performance; Rats; Rats, Inbred F344; Yohimbine | 1996 |
Rilmenidine activates postjunctional alpha 1- and alpha 2-adrenoceptors in the canine saphenous vein.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Brimonidine Tartrate; Calcium Channel Blockers; Clonidine; Dihydropyridines; Dogs; Female; Idazoxan; Imidazoles; Imidazoline Receptors; In Vitro Techniques; Isotope Labeling; Male; Medetomidine; Muscle Contraction; Muscle, Smooth; Osmolar Concentration; Oxazoles; Phenoxybenzamine; Prazosin; Protein Binding; Quinoxalines; Radioligand Assay; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Receptors, Drug; Rilmenidine; Saphenous Vein; Tritium; Yohimbine | 1996 |
alpha-Adrenoceptor and opioid receptor modulation of clonidine-induced antinociception.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Behavior, Animal; Clonidine; Dose-Response Relationship, Drug; Injections, Intraperitoneal; Injections, Intraventricular; Mice; Naloxone; Naltrexone; Narcotic Antagonists; Pain Measurement; Prazosin; Receptors, Opioid; Yohimbine | 1996 |
The actions of alpha-methylnorepinephrine on the rat aorta.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Aorta, Thoracic; Dose-Response Relationship, Drug; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Nordefrin; Prazosin; Rats; Receptors, Adrenergic, alpha-1; Yohimbine | 1996 |
Pressor effect of the putative M1 muscarinic receptor agonist MCN-A-343 in the conscious rat.
Topics: (4-(m-Chlorophenylcarbamoyloxy)-2-butynyl)trimethylammonium Chloride; Adrenal Medulla; Adrenergic Agonists; Adrenergic Antagonists; Animals; Antihypertensive Agents; Blood Pressure; Cystamine; Drug Interactions; Guanethidine; Male; Muscarinic Agonists; Neuropeptide Y; Prazosin; Propranolol; Rats; Rats, Sprague-Dawley; Yohimbine | 1996 |
Interaction between prolactin and catecholamines on hypothalamic GnRH release in vitro.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Atenolol; Corticotropin-Releasing Hormone; Depression, Chemical; Dose-Response Relationship, Drug; Gonadotropin-Releasing Hormone; Hypothalamus; Male; Organ Culture Techniques; Phentolamine; Prazosin; Prolactin; Propanolamines; Propranolol; Rats; Rats, Sprague-Dawley; Yohimbine | 1996 |
Differential effects of two intraventricularly injected alpha 2 agonists, ST-91 and dexmedetomidine, on electroencephalogram, feeding, and electromyogram.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Behavior, Animal; Clonidine; Conscious Sedation; Dose-Response Relationship, Drug; Electroencephalography; Electromyography; Feeding Behavior; Imidazoles; Injections, Intraventricular; Male; Medetomidine; Methoxamine; Prazosin; Rats; Rats, Sprague-Dawley; Yohimbine | 1997 |
On a dual role for clonidine stimulation of the ventromedial nucleus of the hypothalamus in sodium and potassium renal excretions of rats.
Topics: Adrenergic alpha-Antagonists; Animals; Clonidine; Dose-Response Relationship, Drug; Hypothalamus; Kidney; Male; Potassium; Prazosin; Rats; Sodium; Yohimbine | 1996 |
Amitraz depresses cardiovascular responses to bilateral carotid occlusion.
Topics: Animals; Baroreflex; Blood Pressure; Bradycardia; Carotid Arteries; Carotid Stenosis; Dogs; Dose-Response Relationship, Drug; Female; Heart Rate; Hypotension; Injections, Intravenous; Insecticides; Male; Prazosin; Receptors, Adrenergic, alpha; Toluidines; Yohimbine | 1996 |
Mechanism of resistance to alpha-adrenergic receptor antagonists of renal nerve stimulation-induced vasoconstriction at low frequencies.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic Antagonists; Animals; Electric Stimulation; In Vitro Techniques; Kidney; Muscle, Smooth, Vascular; Norepinephrine; Phenoxybenzamine; Prazosin; Rats; Rats, Sprague-Dawley; Renal Artery; Tritium; Vasoconstriction; Vasoconstrictor Agents; Yohimbine | 1997 |
Adrenergic responses in silent and putative inhibitory pacemaker-like neurons of the rat rostral ventrolateral medulla in vitro.
Topics: 6-Cyano-7-nitroquinoxaline-2,3-dione; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Agonists; Animals; Bicuculline; Biological Clocks; Brimonidine Tartrate; Dose-Response Relationship, Drug; Electric Stimulation; Electrophysiology; Excitatory Amino Acid Antagonists; GABA Antagonists; Glycine Agents; Interneurons; Ion Channel Gating; Isoproterenol; Medulla Oblongata; Norepinephrine; Prazosin; Quinoxalines; Rats; Rats, Wistar; Strychnine; Synaptic Transmission; Tetrodotoxin; Yohimbine | 1997 |
Denervation of pigment cells lead to a receptor that is ultrasensitive to melatonin and noradrenaline.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Colforsin; Denervation; Fishes; Melanins; Melanophores; Melatonin; Norepinephrine; Peripheral Nervous System; Prazosin; Yohimbine | 1997 |
Preoptic recess alpha-adrenoceptors control cardiovascular responses to hyperosmolality.
Topics: Animals; Blood Pressure; Cerebral Ventricles; Heart Rate; Infusions, Intravenous; Infusions, Parenteral; Male; Phentolamine; Prazosin; Preoptic Area; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha; Saline Solution, Hypertonic; Time Factors; Yohimbine | 1997 |
Potentiation of acetaminophen hepatotoxicity by acute physical exercise in rats.
Topics: Acetaminophen; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Alanine Transaminase; Analgesics; Animals; Aspartate Aminotransferases; Dose-Response Relationship, Drug; Female; Glutathione; Lipid Peroxidation; Liver; Malondialdehyde; Physical Conditioning, Animal; Prazosin; Propranolol; Rats; Rats, Sprague-Dawley; Time Factors; Vitamin E; Yohimbine | 1997 |
Comparison of adrenoceptor subtype expression in porcine and human bladder and prostate.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Binding, Competitive; Female; Humans; Imidazoles; Isoquinolines; Male; Oxymetazoline; Piperazines; Prazosin; Propanolamines; Prostate; Radioligand Assay; Receptors, Adrenergic; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Receptors, Adrenergic, beta; Swine; Urinary Bladder; Yohimbine | 1997 |
Basal forebrain cholinergic immunolesion by 192IgG-saporin: evidence for a presynaptic location of subpopulations of alpha 2- and beta-adrenergic as well as 5-HT2A receptors on cortical cholinergic terminals.
Topics: 8-Hydroxy-2-(di-n-propylamino)tetralin; Acetylcholinesterase; Animals; Antibodies, Monoclonal; Autoradiography; Cerebral Cortex; Cholinergic Fibers; Dihydroalprenolol; Immunotoxins; Isotope Labeling; Ketanserin; Male; N-Glycosyl Hydrolases; Prazosin; Presynaptic Terminals; Prosencephalon; Radioligand Assay; Rats; Rats, Wistar; Receptor, Serotonin, 5-HT2A; Receptors, Adrenergic, alpha; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Receptors, Adrenergic, beta; Receptors, Presynaptic; Receptors, Serotonin; Receptors, Serotonin, 5-HT1; Ribosome Inactivating Proteins, Type 1; Saporins; Tritium; Yohimbine | 1997 |
Effects of alpha-adrenergic stimuli on mesenteric collecting lymphatics in the rat.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Lymphatic System; Male; Mesentery; Muscle Contraction; Muscle, Smooth; Nordefrin; Norepinephrine; Phenylephrine; Prazosin; Rats; Rats, Sprague-Dawley; Yohimbine | 1997 |
Subtype determination of soma-dendritic alpha2-autoreceptors in slices of rat locus coeruleus.
Topics: Action Potentials; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Autoreceptors; Brimonidine Tartrate; Dendrites; In Vitro Techniques; Locus Coeruleus; Maprotiline; Neurons; Norepinephrine; Phentolamine; Prazosin; Quinoxalines; Rats; Receptors, Adrenergic, alpha; Yohimbine | 1997 |
Vasoconstriction of rat renal interlobar arteries by noradrenaline and neuropeptide Y.
Topics: Adrenergic alpha-Antagonists; Animals; Calcium; Dose-Response Relationship, Drug; Kidney Tubules, Distal; Kidney Tubules, Proximal; Male; Muscle Contraction; Muscle, Smooth, Vascular; Neuropeptide Y; Norepinephrine; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Renal Artery; Sulfonamides; Sympathetic Nervous System; Tamsulosin; Vasoconstriction; Yohimbine | 1997 |
Alpha-adrenoceptors in equine digital veins: evidence for the presence of both alpha1 and alpha2-receptors mediating vasoconstriction.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Azepines; Binding, Competitive; Brimonidine Tartrate; Dopamine; Horses; Idazoxan; In Vitro Techniques; Isometric Contraction; Methoxamine; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Prazosin; Quinoxalines; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Vasoconstriction; Veins; Yohimbine | 1997 |
(S)-spiro[(1,3-diazacyclopent-1-ene)-5,2'-(7'-methyl-1',2',3',4'- tetrahydronaphthalene)]: resolution, stereospecific synthesis, and preliminary pharmacological characterization as a partial alpha-adrenergic agonist.
Topics: Adrenergic alpha-Agonists; Animals; Blood Pressure; Crystallography, X-Ray; Femoral Artery; In Vitro Techniques; Magnetic Resonance Spectroscopy; Models, Molecular; Molecular Conformation; Molecular Structure; Muscle Contraction; Muscle, Smooth, Vascular; Phenylephrine; Prazosin; Rats; Saphenous Vein; Stereoisomerism; Structure-Activity Relationship; Tetrahydronaphthalenes; Yohimbine | 1997 |
Alpha-adrenoceptor-mediated prejunctional effects of chloroethylclonidine in the canine saphenous vein.
Topics: Adrenergic alpha-Antagonists; Animals; Autoreceptors; Brimonidine Tartrate; Clonidine; Dogs; Dose-Response Relationship, Drug; Female; In Vitro Techniques; Male; Prazosin; Quinoxalines; Receptors, Adrenergic, alpha-2; Saphenous Vein; Yohimbine | 1997 |
Involvement of alpha2-adrenoceptors in mediating sympathetic excitation of injured dorsal root ganglion neurons in rats with spinal nerve ligation.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Ganglia, Spinal; Ligation; Male; Neurons; Phenylephrine; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-2; Spinal Nerves; Yohimbine | 1997 |
Characterization of alpha-adrenoceptors in canine mesenteric vein.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Binding, Competitive; Clonidine; Dogs; Female; Male; Mesenteric Veins; Muscle Contraction; Muscle, Smooth, Vascular; Phenylephrine; Piperazines; Prazosin; Receptors, Adrenergic, alpha; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Yohimbine | 1997 |
Evaluation of the effects of a specific alpha 2-adrenoceptor antagonist, atipamezole, on alpha 1- and alpha 2-adrenoceptor subtype binding, brain neurochemistry and behaviour in comparison with yohimbine.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Behavior, Animal; Biogenic Amines; Brain; Female; Imidazoles; Male; Medetomidine; Mice; Motor Activity; Prazosin; Rabbits; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha; Serotonin; Yohimbine | 1997 |
In vitro responses to noradrenaline of small intestine taken from normal and grass sickness-affected horses.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Autonomic Nervous System Diseases; Dose-Response Relationship, Drug; Duodenum; Epinephrine; Female; Horse Diseases; Horses; Ileum; In Vitro Techniques; Intestine, Small; Male; Muscle Contraction; Muscle, Smooth; Norepinephrine; Phentolamine; Prazosin; Time Factors; Yohimbine | 1997 |
A role for amino acid residues in the third cytoplasmic loop in defining the ligand binding characteristics of the alpha2D-adrenergic receptor.
Topics: Amino Acid Sequence; Amino Acids; Animals; Cattle; Clonidine; COS Cells; Cytoplasm; Epinephrine; Humans; Ligands; Mice; Molecular Sequence Data; Mutagenesis, Site-Directed; Oxymetazoline; Phentolamine; Prazosin; Protein Binding; Rats; Receptors, Adrenergic, alpha-2; Sequence Alignment; Yohimbine | 1997 |
Alpha-adrenoreceptor influences on liquid movements by in vitro lungs from fetal guinea pigs.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Body Fluids; Dose-Response Relationship, Drug; Epinephrine; Fetus; Guinea Pigs; In Vitro Techniques; Lung; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 1998 |
alpha2-Adrenoceptor-mediated potassium currents in acutely dissociated rat locus coeruleus neurones.
Topics: 4-Aminopyridine; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Brimonidine Tartrate; Cell Membrane Permeability; Cells, Cultured; Guanosine 5'-O-(3-Thiotriphosphate); Guanosine Diphosphate; Guanosine Triphosphate; Isoquinolines; Kinetics; Locus Coeruleus; Membrane Potentials; Neurons; Nystatin; Patch-Clamp Techniques; Piperazines; Potassium; Potassium Channel Blockers; Potassium Channels; Prazosin; Quinoxalines; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-2; Thionucleotides; Yohimbine | 1998 |
Locus coeruleus modulates thalamic nociceptive responses via adrenoceptors.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Female; Injections, Intraventricular; Injections, Spinal; Locus Coeruleus; Male; Nociceptors; Norepinephrine; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic; Stereotaxic Techniques; Thalamus; Yohimbine | 1998 |
Alpha 1-receptors at pre-capillary resistance vessels of the human nasal mucosa.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Agonists; Adult; Aged; Arterioles; Carbachol; Female; Humans; In Vitro Techniques; Male; Middle Aged; Nasal Mucosa; Norepinephrine; Oxymetazoline; Phenylephrine; Potassium; Prazosin; Receptors, Adrenergic, alpha-1; Vasoconstriction; Yohimbine | 1997 |
The expression of functional postsynaptic alpha2-adrenoceptors in the corpus cavernosum smooth muscle.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Brimonidine Tartrate; Calcium; Cyclic AMP; Male; Muscle Contraction; Muscle, Smooth; Oxymetazoline; Penis; Phenylephrine; Prazosin; Quinoxalines; Rabbits; Radioligand Assay; Receptors, Adrenergic, alpha-2; Second Messenger Systems; Synapses; Tritium; Yohimbine | 1998 |
Characterization of alpha2-adrenoceptor subtypes in pregnant human myometrium.
Topics: Adrenergic alpha-Agonists; Binding, Competitive; Cell Membrane; Chlorpromazine; Female; Humans; Myometrium; Oxymetazoline; Polymerase Chain Reaction; Prazosin; Pregnancy; Radioligand Assay; Receptors, Adrenergic, alpha-2; RNA-Directed DNA Polymerase; Tritium; Yohimbine | 1998 |
Alpha-adrenoceptor subtypes of dog saphenous vein: another unusual property.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Brimonidine Tartrate; Calcium; Dogs; Female; Fluorescence; Fura-2; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Phenylephrine; Potassium Chloride; Prazosin; Quinoxalines; Receptors, Adrenergic, alpha; Saphenous Vein; Signal Transduction; Yohimbine | 1998 |
Calcium-contraction relationship in rat mesenteric arterial smooth muscle. Effects of exogenous and neurogenic noradrenaline.
Topics: Adrenergic alpha-Antagonists; Animals; Calcium; Electric Stimulation; Fluorescent Dyes; Fura-2; Kinetics; Male; Mesenteric Arteries; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha; Yohimbine | 1998 |
The adrenergic, cholinergic and NANC nerve-mediated contractions of the female rabbit bladder neck and proximal, medial and distal urethra.
Topics: Adrenergic alpha-Antagonists; Animals; Atropine; Autonomic Nervous System; Cocaine; Electric Stimulation; Female; In Vitro Techniques; Muscarinic Antagonists; Muscle Contraction; Muscle, Smooth; Neurotransmitter Agents; Parasympathetic Nervous System; Prazosin; Rabbits; Sympathetic Nervous System; Urethra; Urinary Bladder; Vasoconstrictor Agents; Yohimbine | 1998 |
Post- and presynaptic effects of norepinephrine in guinea-pig colonic submucous plexus.
Topics: Acetylcholine; Animals; Clonidine; Colon; Electric Stimulation; Evoked Potentials; Excitatory Postsynaptic Potentials; Guinea Pigs; In Vitro Techniques; Microelectrodes; Muscle, Smooth; Myenteric Plexus; Neurons; Norepinephrine; Phentolamine; Prazosin; Synapses; Yohimbine | 1998 |
Alpha1A-adrenergic receptors mediate vasoconstriction of the isolated spiral modiolar artery in vitro.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Arteries; Cochlea; Dose-Response Relationship, Drug; Enzyme Inhibitors; Gerbillinae; Nitric Oxide Synthase; Nitroarginine; Norepinephrine; Piperazines; Polymerase Chain Reaction; Prazosin; Propanolamines; Receptors, Adrenergic, alpha-1; RNA; Vasoconstriction; Yohimbine | 1998 |
Locus coeruleus-mediated inhibition of chemosensory responses in the rat nucleus tractus solitarius is mediated by alpha2-adrenoreceptors.
Topics: Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Antagonists; Animals; Borohydrides; Chemoreceptor Cells; Electric Stimulation; Locus Coeruleus; Male; Microinjections; Neural Inhibition; Neurons; Norepinephrine; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-2; Solitary Nucleus; Yohimbine | 1998 |
Autonomic nervous control of venous pressure and secretion in submandibular gland of anesthetized dogs.
Topics: Acetylcholine; Anesthesia, General; Animals; Arteries; Autonomic Nervous System; Blood Pressure; Clonidine; Dogs; Electric Stimulation; Female; Isoproterenol; Jugular Veins; Male; Parasympathetic Nervous System; Phenobarbital; Phentolamine; Phenylephrine; Prazosin; Propranolol; Pulse; Regional Blood Flow; Saliva; Submandibular Gland; Vasoactive Intestinal Peptide; Veins; Yohimbine | 1998 |
Neuropeptide Y shifts equilibrium between alpha- and beta-adrenergic tonus in proximal tubule cells.
Topics: 1-Methyl-3-isobutylxanthine; Adrenergic alpha-Antagonists; Adrenergic beta-Agonists; Adrenergic beta-Antagonists; Animals; Butyrates; Butyric Acid; Cyclic AMP; Dideoxyadenosine; In Vitro Techniques; Isoproterenol; Kidney Cortex; Kidney Tubules, Proximal; Kinetics; Male; Models, Biological; Neuropeptide Y; Norepinephrine; Oxymetazoline; Prazosin; Rats; Rats, Sprague-Dawley; Sodium-Potassium-Exchanging ATPase; Yohimbine | 1998 |
Prejunctional alpha2A-autoreceptors in the human gastric and ileocolic arteries.
Topics: Adrenergic alpha-Antagonists; Aged; Arteries; Autoreceptors; Colon; Dioxanes; Dopamine Antagonists; Dose-Response Relationship, Drug; Electric Stimulation; Female; Gastric Mucosa; Humans; Idazoxan; Ileum; In Vitro Techniques; Male; Middle Aged; Neuromuscular Junction; Norepinephrine; Phentolamine; Prazosin; Receptors, Adrenergic, alpha-2; Spiro Compounds; Stomach; Tritium; Yohimbine | 1998 |
Attenuation of delay-period activity of monkey prefrontal neurons by an alpha2-adrenergic antagonist during an oculomotor delayed-response task.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Electrophysiology; Macaca mulatta; Male; Neurons; Oculomotor Muscles; Prazosin; Prefrontal Cortex; Propranolol; Reaction Time; Yohimbine | 1998 |
Insights into the unusual alpha adrenoceptor subtype in dog saphenous vein using phenoxybenzamine.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Alkylating Agents; Alkylation; Animals; Azepines; Binding, Competitive; Brimonidine Tartrate; Dogs; Dose-Response Relationship, Drug; Drug Interactions; Phenoxybenzamine; Phenylephrine; Prazosin; Quinoxalines; Receptors, Adrenergic, alpha; Receptors, Adrenergic, alpha-2; Saphenous Vein; Yohimbine | 1999 |
Paired pulse analysis of ATP and noradrenaline release from sympathetic nerves of rat tail artery and mouse vas deferens: effects of K+ channel blockers.
Topics: 4-Aminopyridine; Adenosine Triphosphate; Adrenergic alpha-Antagonists; Animals; Arteries; Calcium; Electric Stimulation; Electrophysiology; Evoked Potentials; In Vitro Techniques; Male; Mice; Mice, Inbred C57BL; Norepinephrine; Potassium Channel Blockers; Prazosin; Rats; Rats, Sprague-Dawley; Sympathetic Nervous System; Tail; Tetraethylammonium; Vas Deferens; Vasoconstriction; Yohimbine | 1998 |
Smooth muscle layer-specific variations in the autonomic innervation of bovine myometrium.
Topics: Adrenergic alpha-Agonists; Animals; Autonomic Nervous System; Catecholamines; Cattle; Electric Stimulation; Female; Myometrium; Prazosin; Receptors, Adrenergic, alpha; Uterine Contraction; Yohimbine | 1999 |
Stimulation of the extracellular signal-regulated kinase 1/2 pathway by human beta-3 adrenergic receptor: new pharmacological profile and mechanism of activation.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Agonists; Adrenergic beta-Antagonists; Animals; Bupranolol; Calcium-Calmodulin-Dependent Protein Kinases; CHO Cells; Colforsin; Cricetinae; Dioxoles; Enzyme Activation; Epinephrine; Ethanolamines; Humans; Insulin; Isoproterenol; Mitogen-Activated Protein Kinase 1; Mitogen-Activated Protein Kinase 3; Mitogen-Activated Protein Kinases; Norepinephrine; Phentolamine; Prazosin; Propanolamines; Receptors, Adrenergic, beta; Receptors, Adrenergic, beta-3; Signal Transduction; Yohimbine | 1999 |
Alpha1- and alpha2-adrenoceptor control of sodium transport reverses in developing hypertension.
Topics: Adrenergic alpha-Agonists; Animals; Azepines; Biological Transport; Cells, Cultured; Hypertension; Kidney Tubules, Distal; Phenylephrine; Prazosin; Radioligand Assay; Rats; Rats, Inbred SHR; Rats, Inbred WKY; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Sodium; Sodium Radioisotopes; Tritium; Yohimbine | 1999 |
Tizanidine protects mice against convulsions induced by lidocaine: involvement of alpha 2-adrenoceptors.
Topics: Animals; Anticonvulsants; Behavior, Animal; Clonidine; Drug Interactions; Lidocaine; Male; Mice; Phentolamine; Prazosin; Receptors, Adrenergic, alpha-2; Seizures; Time Factors; Yohimbine | 1999 |
Neural modulation of cephalexin intestinal absorption through the di- and tripeptide brush border transporter of rat jejunum in vivo.
Topics: Adrenergic Antagonists; Animals; ATP-Binding Cassette Transporters; Bacterial Proteins; Cephalexin; Cephalosporins; Hexamethonium; Intestinal Absorption; Jejunum; Lidocaine; Male; Membrane Transport Proteins; Microvilli; Nifedipine; Prazosin; Rats; Rats, Wistar; Yohimbine | 1999 |
Pharmacological characterization of histamine H3 receptors in human saphenous vein and guinea pig ileum.
Topics: Adrenergic alpha-Antagonists; Aged; Animals; Dose-Response Relationship, Drug; Electric Stimulation; Female; Guinea Pigs; Histamine Agonists; Histamine Antagonists; Humans; Ileum; Imidazoles; In Vitro Techniques; Male; Methylhistamines; Middle Aged; Muscle Contraction; Piperidines; Prazosin; Receptors, Histamine H3; Saphenous Vein; Tetrodotoxin; Thiourea; Yohimbine | 1999 |
Mechanical hyperalgesia after spinal nerve ligation in rat is not reversed by intraplantar or systemic administration of adrenergic antagonists.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Antagonists; Animals; Behavior, Animal; Hyperalgesia; Injections, Intradermal; Ligation; Male; Pain Measurement; Phentolamine; Prazosin; Rats; Rats, Sprague-Dawley; Spinal Nerves; Yohimbine | 1999 |
5-HT2A receptor or alpha1-adrenoceptor activation induces excitatory postsynaptic currents in layer V pyramidal cells of the medial prefrontal cortex.
Topics: Animals; Biogenic Monoamines; Dopamine; Excitatory Postsynaptic Potentials; In Vitro Techniques; Male; Norepinephrine; Prazosin; Prefrontal Cortex; Pyramidal Cells; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Receptors, AMPA; Receptors, Opioid, mu; Receptors, Serotonin; Serotonin; Sodium Channel Blockers; Yohimbine | 1999 |
[Induction of noradrenergic supersensitivity following cordotomy in neonatal rat spinal motoneurons].
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Animals, Newborn; Autonomic Nervous System Diseases; Cordotomy; Dose-Response Relationship, Drug; In Vitro Techniques; Motor Neurons; Norepinephrine; Prazosin; Rats; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Reflex, Abnormal; Up-Regulation; Yohimbine | 1999 |
Canine external carotid vasoconstriction to methysergide, ergotamine and dihydroergotamine: role of 5-HT1B/1D receptors and alpha2-adrenoceptors.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Blood Flow Velocity; Carotid Arteries; Clonidine; Dihydroergotamine; Dogs; Ergotamine; Female; Hemodynamics; Male; Methysergide; Oxadiazoles; Phenylephrine; Piperazines; Prazosin; Receptor, Serotonin, 5-HT1B; Receptor, Serotonin, 5-HT1D; Receptors, Adrenergic, alpha-2; Receptors, Serotonin; Serotonin Antagonists; Sumatriptan; Vasoconstriction; Vasoconstrictor Agents; Yohimbine | 1999 |
Effects of vasopressin on the sympathetic contraction of rabbit ear artery during cooling.
Topics: Adenosine Triphosphate; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Arteries; Azepines; Calcium Channel Blockers; Calcium Channels; Cold Temperature; Ear; Electric Stimulation; In Vitro Techniques; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phentolamine; Prazosin; Purinergic P2 Receptor Antagonists; Pyridoxal Phosphate; Rabbits; Receptors, Adrenergic; Sympathetic Nervous System; Vasoconstriction; Vasoconstrictor Agents; Vasopressins; Verapamil; Yohimbine | 1999 |
[Signal transduction of serotonin release from enterochromaffin cells in mouse ileal crypts].
Topics: 4-(3-Butoxy-4-methoxybenzyl)-2-imidazolidinone; 8-Bromo Cyclic Adenosine Monophosphate; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Brimonidine Tartrate; Calcium; Clonidine; Enterochromaffin Cells; Ileum; In Vitro Techniques; Male; Mice; Mice, Inbred ICR; Norepinephrine; Phosphodiesterase Inhibitors; Prazosin; Pyrrolidinones; Quinazolines; Quinoxalines; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Rolipram; Serotonin; Signal Transduction; Yohimbine | 1998 |
Modulation of external pancreatic secretion by endogenous norepinephrine: study with a norepinephrine uptake blocker in the rat.
Topics: Acetylcholine; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Deoxyglucose; Electric Stimulation; Fluoxetine; Idazoxan; Kinetics; Male; Norepinephrine; Pancreas; Prazosin; Propranolol; Rats; Rats, Wistar; Vagus Nerve; Yohimbine | 1999 |
Blocking effects of phentolamine on L-type calcium current and ATP-sensitive potassium current in guinea pig ventricular myocytes.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Antagonists; Animals; Calcium Channels; Cells, Cultured; Dose-Response Relationship, Drug; Guinea Pigs; Heart Ventricles; Myocardium; Patch-Clamp Techniques; Phentolamine; Potassium Channels; Prazosin; Yohimbine | 1998 |
Involvement of alpha1-adrenoceptors in the basolateral amygdala in modulation of memory storage.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Amygdala; Animals; Atenolol; Avoidance Learning; Male; Memory; Phenylephrine; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, beta; Yohimbine | 1999 |
Functional alpha2C-adrenoceptors in human neuroblastoma SH-SY5Y cells.
Topics: Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Brimonidine Tartrate; Clonidine; Colforsin; Cyclic AMP; Dose-Response Relationship, Drug; Guanfacine; Humans; Idazoxan; Isoquinolines; Neuroblastoma; Oxymetazoline; Piperazines; Prazosin; Quinoxalines; Receptors, Adrenergic, alpha-2; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Tumor Cells, Cultured; Yohimbine | 1999 |
alpha-adrenergic vasoconstriction in active skeletal muscles during dynamic exercise.
Topics: Adrenergic alpha-Antagonists; Animals; Dogs; Muscle, Skeletal; Physical Conditioning, Animal; Prazosin; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1999 |
Characterization of postjunctional alpha-adrenoceptors in the pithed mouse.
Topics: 3T3 Cells; Adrenergic alpha-Antagonists; Animals; Azepines; Binding, Competitive; Blood Pressure; CHO Cells; Cricetinae; Decerebrate State; Dose-Response Relationship, Drug; Humans; Mice; Mice, Inbred C57BL; Neuroeffector Junction; Phentolamine; Phenylephrine; Prazosin; Radioligand Assay; Receptors, Adrenergic, alpha; Recombinant Fusion Proteins; Vasoconstrictor Agents; Yohimbine | 1999 |
Characterization of subtype of alpha 1-adrenoceptor mediating vasoconstriction in perfused rat mesenteric vascular bed.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Indoles; Male; Mesenteric Artery, Superior; Norepinephrine; Piperazines; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Vasoconstriction; Yohimbine | 1999 |
Alpha2-adrenergic effect on human breast cancer MCF-7 cells.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Breast Neoplasms; Cell Division; Cells, Cultured; Clonidine; Cyclic AMP; Epinephrine; Female; Humans; Norepinephrine; Phentolamine; Prazosin; Propranolol; Tumor Cells, Cultured; Yohimbine | 1999 |
Developmental and pharmacological features of mouse emotional piloerection.
Topics: Adrenergic alpha-Antagonists; Aging; Animals; Behavior, Animal; Conditioning, Classical; Diazepam; Electric Stimulation; Male; Mice; Piloerection; Prazosin; Propranolol; Stress, Psychological; Yohimbine | 1999 |
Corticosterone response induced by intracerebroventricular administration of met-enkephalin and naloxone in rats under stress.
Topics: Animals; Corticosterone; Dose-Response Relationship, Drug; Enkephalin, Methionine; Immobilization; Injections, Intraventricular; Male; Naloxone; Prazosin; Propranolol; Rats; Rats, Wistar; Receptors, Adrenergic; Receptors, Opioid; Stress, Physiological; Yohimbine | 1997 |
Effects of adrenergic antagonists on LH surge in short-term ovariectomized-steroids-primed rats.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Antagonists; Adrenergic Antagonists; Adrenergic beta-Antagonists; Animals; Drug Implants; Estradiol; Female; Luteinizing Hormone; Ovariectomy; Prazosin; Progesterone; Propranolol; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Receptors, Adrenergic, beta; Secretory Rate; Yohimbine | 1999 |
Adrenergic-purinergic interactions on vasoconstrictor responses to periarterial electric nerve stimulation in canine splenic arteries.
Topics: Adenosine Triphosphate; Animals; Dogs; Electric Stimulation; Female; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Nervous System Physiological Phenomena; Perfusion; Prazosin; Receptors, Adrenergic; Receptors, Purinergic; Splenic Artery; Sympatholytics; Theophylline; Yohimbine | 1999 |
Mechanisms of action of OPC-28326, a selective hindlimb vasodilator.
Topics: Adrenergic Antagonists; Anesthesia; Aniline Compounds; Animals; Blood Pressure; Brimonidine Tartrate; Dogs; Dose-Response Relationship, Drug; Drug Interactions; Enzyme Inhibitors; Female; Femoral Artery; Hemodynamics; Hindlimb; In Vitro Techniques; Male; Perfusion; Phenylephrine; Piperidines; Prazosin; Quinoxalines; Radioligand Assay; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-2; Vasodilator Agents; Yohimbine | 1999 |
Gestational and ovarian sex steroid antinociception: relevance of uterine afferent and spinal alpha(2)-noradrenergic activity.
Topics: Adrenergic beta-Antagonists; Afferent Pathways; Analgesia; Animals; Estradiol; Female; Models, Neurological; Ovariectomy; Ovary; Prazosin; Pregnancy; Pregnancy, Animal; Progesterone; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-2; Spinal Cord; Stomach; Sympathetic Nervous System; Uterus; Yohimbine | 1999 |
Characterization of a new radioiodinated probe for the alpha2C adrenoceptor in the mouse brain.
Topics: Animals; Autoradiography; Binding Sites; Binding, Competitive; Brain; Caudate Nucleus; Epinephrine; Iodine Radioisotopes; Kinetics; Male; Mice; Mice, Inbred Strains; Molecular Structure; Organ Specificity; Oxymetazoline; Prazosin; Putamen; Receptors, Adrenergic, alpha-2; Yohimbine | 2000 |
Central benzodiazepine involvement in clonidine cardiovascular actions.
Topics: Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Atropine Derivatives; Blood Pressure; Carbolines; Cardiovascular Agents; Clonidine; Diazepam; Flumazenil; GABA Modulators; GABA-A Receptor Agonists; Heart Rate; Infusions, Intravenous; Injections, Intraventricular; Male; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-2; Receptors, GABA-A; Stereotaxic Techniques; Time Factors; Yohimbine | 1999 |
Renal nerve stimulation induces alpha2-adrenoceptor-mediated antinatriuresis under inhibition of prostaglandin synthesis in anesthetized dogs.
Topics: Adrenergic alpha-Antagonists; Anesthesia; Animals; Cyclooxygenase Inhibitors; Dogs; Electric Stimulation; Female; Indomethacin; Kidney; Male; Natriuresis; Prazosin; Prostaglandin Antagonists; Prostaglandins; Receptors, Adrenergic, alpha-2; Sodium; Yohimbine | 1999 |
The adrenergic receptor agonist, clonidine, potentiates the anti-parkinsonian action of the selective kappa-opioid receptor agonist, enadoline, in the monoamine-depleted rat.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Antiparkinson Agents; Benzofurans; Biogenic Monoamines; Clonidine; Disease Models, Animal; Drug Combinations; Drug Synergism; Locomotion; Male; Naltrexone; Narcotic Antagonists; Parkinson Disease, Secondary; Prazosin; Pyrrolidines; Rats; Rats, Sprague-Dawley; Receptors, Opioid, kappa; Reserpine; Yohimbine | 1999 |
alpha(1)-adrenoceptor subtypes and effect of alpha(1A)-adrenoceptor agonist NS-49 on guinea pig nasal mucosa vasculature.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Anilides; Animals; Blood Vessels; Clonidine; Dioxanes; Dose-Response Relationship, Drug; Female; Guinea Pigs; In Vitro Techniques; Male; Nasal Mucosa; Norepinephrine; Oxymetazoline; Piperazines; Prazosin; Spiperone; Vasoconstriction; Yohimbine | 2000 |
New 2-substituted 1,2,3,4-tetrahydrobenzofuro[3,2-c]pyridine having highly active and potent central alpha 2-antagonistic activity as potential antidepressants.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Antidepressive Agents; CHO Cells; Clonidine; Cricetinae; Humans; Male; Prazosin; Pyridines; Radioligand Assay; Rats; Receptors, Adrenergic, alpha-2; Xylazine; Yohimbine | 2000 |
Effects of the I(1) imidazoline/alpha(2)-adrenergic receptor agonist moxonidine in comparison with clonidine in the formalin test in rats.
Topics: Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Analgesics, Non-Narcotic; Animals; Benzofurans; Clonidine; Dose-Response Relationship, Drug; Formaldehyde; Imidazoles; Imidazoline Receptors; Injections, Subcutaneous; Male; Pain; Pain Measurement; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Drug; Time Factors; Yohimbine | 2000 |
Norepinephrine stimulates interleukin-6 mRNA expression in primary cultured rat hepatocytes.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Agonists; Adrenergic beta-Antagonists; Animals; Cells, Cultured; Interleukin-6; Isoproterenol; Liver; Male; Norepinephrine; Phenylephrine; Prazosin; Propranolol; Rats; Rats, Wistar; RNA, Messenger; Yohimbine | 2000 |
Characterization of human recombinant alpha(2A)-adrenoceptors expressed in Chinese hamster lung cells using extracellular acidification rate changes.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Azepines; Brimonidine Tartrate; Cell Line; Cricetinae; Dexmedetomidine; Dose-Response Relationship, Drug; Doxazosin; Gene Expression; Humans; Hydrogen-Ion Concentration; Imidazoles; Norepinephrine; Prazosin; Quinoxalines; Receptors, Adrenergic, alpha-2; Recombinant Fusion Proteins; Tetrahydronaphthalenes; Yohimbine | 2000 |
Characterization of human recombinant alpha(2A)-adrenoceptors expressed in Chinese hamster lung cells using intracellular Ca(2+) changes: evidence for cross-talk between recombinant alpha(2A)- and native alpha(1)-adrenoceptors.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Aniline Compounds; Animals; Azepines; Binding, Competitive; Brimonidine Tartrate; Calcium; Cell Line; Cricetinae; Dexmedetomidine; Dose-Response Relationship, Drug; Doxazosin; Estrenes; Fluorescence; Gene Expression; Humans; Imidazoles; Norepinephrine; Prazosin; Pyrrolidinones; Quinoxalines; Radioligand Assay; Receptor Cross-Talk; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Recombinant Fusion Proteins; Signal Transduction; Tetrahydronaphthalenes; Thapsigargin; Xanthenes; Yohimbine | 2000 |
Changes in catecholaminergic pathways innervating paraventricular nucleus and pituitary-adrenal axis response during morphine dependence: implication of alpha(1)- and alpha(2)-adrenoceptors.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Antagonists; Animals; Autonomic Pathways; Catecholamines; Corticosterone; Dopamine; Male; Morphine Dependence; Naloxone; Narcotic Antagonists; Norepinephrine; Paraventricular Hypothalamic Nucleus; Pituitary-Adrenal System; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Yohimbine | 2000 |
Alpha-adrenergic blockade in preventing posttransplant edema of lung allograft.
Topics: Adrenergic alpha-Antagonists; Animals; Drug Evaluation, Preclinical; Heart Failure; Hemodynamics; Ischemia; Ligation; Lung; Lung Transplantation; Male; Prazosin; Pulmonary Artery; Pulmonary Circulation; Pulmonary Edema; Rats; Rats, Inbred BUF; Sympathectomy, Chemical; Vascular Resistance; Yohimbine | 1999 |
Synthesis and alpha-adrenergic binding ligand affinities of 2-iminoimidazolidine derivatives.
Topics: Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Binding, Competitive; Clonidine; Idazoxan; Imidazoles; In Vitro Techniques; Ligands; Magnetic Resonance Spectroscopy; Prazosin; Rats; Receptors, Adrenergic, alpha-2; Spectrophotometry, Infrared; Yohimbine | 2000 |
Pharmacological analysis of neurogenic, sympathetic responses mediated through alpha-1-, alpha-2-adrenergic and purinergic receptors in the dog saphenous vein.
Topics: Adenosine Triphosphate; Adrenergic alpha-Antagonists; Animals; Dogs; Electric Stimulation; Female; Male; Norepinephrine; Prazosin; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Receptors, Purinergic; Saphenous Vein; Yohimbine | 2000 |
Changes in catecholaminergic pathways innervating the rat heart ventricle during morphine dependence. Involvement Of alpha(1)- and alpha(2)-adrenoceptors.
Topics: 3,4-Dihydroxyphenylacetic Acid; Adrenergic alpha-Antagonists; Analgesics, Opioid; Animals; Catecholamines; Dopamine; Heart Ventricles; Male; Morphine; Morphine Dependence; Norepinephrine; Normetanephrine; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Yohimbine | 2000 |
Norepinephrine modulates single hypothalamic arcuate neurons via alpha(1)and beta adrenergic receptors.
Topics: Action Potentials; Animals; Arcuate Nucleus of Hypothalamus; Calcium; Cromakalim; Female; Glyburide; In Vitro Techniques; Locus Coeruleus; Magnesium; Male; Morphine; Naloxone; Neural Inhibition; Neural Pathways; Neurons; Norepinephrine; Phentolamine; Prazosin; Propranolol; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, beta; Yohimbine | 2000 |
Neurogenic pathways mediating ascending and descending reflexes at the porcine ileocolonic junction.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Agonists; Adrenergic beta-Antagonists; Afferent Pathways; Animals; Bethanechol; Dimethylphenylpiperazinium Iodide; Epinephrine; Gastrointestinal Motility; Hexamethonium; Ileocecal Valve; Isoproterenol; Manometry; Muscarinic Agonists; NG-Nitroarginine Methyl Ester; Nicotinic Agonists; Nicotinic Antagonists; Nitric Oxide; Nitroprusside; Prazosin; Pressure; Propranolol; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Receptors, Muscarinic; Reflex; Species Specificity; Swine; Tetrodotoxin; Yohimbine | 2000 |
Presynaptic beta(2)-adrenoceptors mediate nicotine-induced NOergic neurogenic dilation in porcine basilar arteries.
Topics: Adrenergic beta-Antagonists; Animals; Basilar Artery; Butoxamine; Endothelium, Vascular; Female; In Vitro Techniques; Male; Models, Cardiovascular; Muscle, Smooth, Vascular; Nicotine; Nitric Oxide; Prazosin; Propanolamines; Receptors, Adrenergic, beta-2; Swine; Vasodilation; Yohimbine | 2000 |
Atipamezole, an imidazoline-type alpha(2)-adrenoceptor inhibitor, binds to human platelets and inhibits their adrenaline-induced aggregation more effectively than yohimbine.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adult; Binding Sites; Binding, Competitive; Blood Platelets; Dexmedetomidine; Drug Evaluation, Preclinical; Epinephrine; Humans; Imidazoles; Phenylephrine; Platelet Aggregation Inhibitors; Prazosin; Receptors, Adrenergic, alpha-2; Yohimbine | 2000 |
alpha(2)-adrenergic receptor-mediated increase in NO production buffers renal medullary vasoconstriction.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Dissection; Enzyme Inhibitors; Gene Expression; Kidney Cortex; Kidney Medulla; Laser-Doppler Flowmetry; Male; Microdialysis; Nephrons; NG-Nitroarginine Methyl Ester; Nitric Oxide; Norepinephrine; Oxygen; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Renal Circulation; RNA, Messenger; Vasoconstriction; Yohimbine | 2000 |
Metabolic effects induced by epinephrine in Rana balcanica erythrocytes under normoxic and hypoxic conditions.
Topics: Adenosine Triphosphate; Adrenergic Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Colforsin; Cyclic AMP; Epinephrine; Erythrocytes; Glucose; Hypoxia; Lactic Acid; Ouabain; Oxygen; Perchlorates; Phosphofructokinase-1; Prazosin; Propranolol; Pyruvic Acid; Ranidae; Sodium-Potassium-Exchanging ATPase; Time Factors; Yohimbine | 2000 |
Role of the postsynaptic alpha(2)-adrenergic receptor subtypes in catecholamine-induced vasoconstriction.
Topics: Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Blood Pressure; Male; Mice; Mice, Knockout; Norepinephrine; Prazosin; Receptors, Adrenergic, alpha-2; Vasoconstriction; Vasoconstrictor Agents; Yohimbine | 2000 |
Participation of alpha-1 and alpha-2 adrenoceptors of the lateral hypothalamic area in water intake, and renal sodium, potassium and urinary volume excretion induced by central administration of angiotensin II.
Topics: Angiotensin II; Animals; Clonidine; Drinking; Drug Administration Schedule; Drug Interactions; Hypothalamic Area, Lateral; Injections, Intraventricular; Kidney; Male; Neural Pathways; Neurons; Potassium; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Sodium; Subfornical Organ; Yohimbine | 2000 |
The antinociceptive effect of FR140423 in mice: involvement of spinal alpha(2)-adrenoceptors.
Topics: Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Analgesics; Analgesics, Opioid; Animals; Anti-Inflammatory Agents, Non-Steroidal; Dose-Response Relationship, Drug; Drug Interactions; Injections, Intraventricular; Injections, Spinal; Male; Mice; Morphine; Nociceptors; Pain Measurement; Phentolamine; Prazosin; Propranolol; Pyrazoles; Receptors, Adrenergic, alpha-2; Spinal Cord; Sulfoxides; Yohimbine | 2000 |
Prejunctional alpha-adrenoceptors regulate nitrergic neurotransmission in the rabbit urethra.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Dose-Response Relationship, Drug; Endothelin-1; Female; In Vitro Techniques; Muscle Relaxation; Muscle, Smooth; Neuromuscular Junction; Nitrates; Nitric Oxide; Nitrites; Phenylephrine; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Synaptic Transmission; Urethra; Yohimbine | 2000 |
Effects of alpha adrenoreceptor antagonists, prazosin and. yohimbine, on intrathecal lidocaine-induced antinociception in mice.
Topics: Adrenergic alpha-Antagonists; Anesthetics, Local; Animals; Injections, Spinal; Lidocaine; Male; Mice; Pain Measurement; Prazosin; Reaction Time; Reflex; Yohimbine | 2000 |
Involvement of adrenergic and cholinergic systems in nicotine-induced anxiogenesis in mice.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Anxiety; Atropine; Clonidine; Hexamethonium; Male; Mecamylamine; Mice; Muscarinic Antagonists; Nicotine; Nicotinic Agonists; Nicotinic Antagonists; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha-1; Yohimbine | 2000 |
In vitro alpha-adrenoceptor autoradiography of the urethra and urinary bladder of the female pig, cat, guinea-pig and rat.
Topics: Adrenergic alpha-Antagonists; Animals; Autoradiography; Binding Sites; Cats; Female; Guinea Pigs; Muscle, Smooth; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic; Swine; Urethra; Urinary Bladder; Yohimbine | 2000 |
The influence of beta-adrenergic activation on noradrenergic alpha1 activation of rabbit afferent arterioles.
Topics: Adenylyl Cyclases; Adrenergic alpha-Antagonists; Afferent Pathways; Animals; Arterioles; Calcium; Colforsin; Cyclic AMP; Cytosol; Enzyme Activation; Fluorescent Dyes; Fura-2; Isoproterenol; Muscle, Smooth, Vascular; Norepinephrine; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Yohimbine | 2000 |
Sympathetic control of nasal blood flow in the rat mediated by alpha(1)-adrenoceptors.
Topics: Adrenergic alpha-Antagonists; Adrenergic Fibers; Animals; Electric Stimulation; Ganglia, Sympathetic; Laser-Doppler Flowmetry; Male; Nasal Cavity; Nasal Mucosa; Norepinephrine; Phenoxybenzamine; Phentolamine; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Vasoconstriction; Yohimbine | 2001 |
Role of the alpha(1)- and alpha(2)-adrenoceptors of the paraventricular nucleus on the water and salt intake, renal excretion, and arterial pressure induced by angiotensin II injection into the medial septal area.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Antagonists; Angiotensin II; Animals; Blood Pressure; Diuresis; Drinking; Male; Paraventricular Hypothalamic Nucleus; Phentolamine; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Septal Nuclei; Sodium; Water-Electrolyte Balance; Yohimbine | 2001 |
Pharmacological identification of the major subtypes of adrenoceptors involved in the canine external carotid vasoconstrictor effects of adrenaline and noradrenaline.
Topics: Adrenergic Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Azepines; Blood Pressure; Carotid Artery, External; Dogs; Epinephrine; Female; Heart Rate; Male; Norepinephrine; Phentolamine; Phenylephrine; Prazosin; Propranolol; Protein Isoforms; Receptors, Adrenergic; Regional Blood Flow; Sympathectomy; Vasoconstrictor Agents; Yohimbine | 2001 |
Insulin secretion and glucose kinetics during exercise with and without pharmacological alpha(1)- and alpha(2)-receptor blockade.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Antagonists; Adult; Blood Glucose; Blood Pressure; C-Peptide; Cross-Over Studies; Epinephrine; Exercise; Fatty Acids, Nonesterified; Glucagon; Glycerol; Heart Rate; Hemodynamics; Humans; Insulin; Insulin Secretion; Kinetics; Lactates; Male; Physical Exertion; Prazosin; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Time Factors; Tritium; Yohimbine | 2001 |
An isobolographic analysis of the adrenergic modulation of diclofenac antinociception.
Topics: Adrenergic Agents; Analgesics; Animals; Anti-Inflammatory Agents, Non-Steroidal; Clonidine; Diclofenac; Dose-Response Relationship, Drug; Drug Synergism; Mice; Phenylephrine; Prazosin; Yohimbine | 2001 |
Alpha2-adrenoceptors inhibit antidiuretic hormone-stimulated Na+ absorption across tight epithelia (Rana esculenta).
Topics: Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Calcium; Cyclic AMP; Dose-Response Relationship, Drug; Epithelial Cells; Female; Male; Norepinephrine; Prazosin; Rana esculenta; Receptors, Adrenergic, alpha-2; Receptors, Adrenergic, beta; Sodium; Tight Junctions; Vasopressins; Water-Electrolyte Balance; Yohimbine | 2001 |
Existence of alpha(1A)- and alpha(1B)-adrenoceptor subtypes in canine mandibular alveolar arteries.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Alveolar Process; Animals; Arteries; Clonidine; Dioxanes; Dogs; Dose-Response Relationship, Drug; Female; In Vitro Techniques; Male; Mandible; Norepinephrine; Phenylephrine; Piperazines; Prazosin; Receptors, Adrenergic, alpha-1; Vasoconstriction; Xylazine; Yohimbine | 2001 |
Characterization of alpha-adrenoceptor subtypes in smooth muscle of equine ileum.
Topics: Adrenergic alpha-Antagonists; Animals; Binding Sites; Female; Horses; Ileum; Male; Muscle, Smooth; Phentolamine; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 2001 |
Rate-independent inhibition by norepinephrine of 5-HT release from the somadendritic region of serotonergic neurons.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Dendrites; Dose-Response Relationship, Drug; Electric Stimulation; Feedback; Fluoxetine; Mesencephalon; Methiothepin; Neural Inhibition; Neurons; Norepinephrine; Phenylephrine; Prazosin; Rabbits; Raphe Nuclei; Receptors, Adrenergic; Serotonin; Serotonin Antagonists; Yohimbine | 2001 |
Norepinephrine induces apoptosis in skin melanophores by attenuating cAMP-PKA signals via alpha2-adrenoceptors in the medaka, Oryzias latipes.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Apoptosis; Clonidine; Colforsin; Culture Techniques; Cyclic AMP; Cyclic AMP-Dependent Protein Kinases; Cysteine Proteinase Inhibitors; Isoquinolines; Melanophores; Norepinephrine; Oligopeptides; Oryzias; Phenylephrine; Prazosin; Protein Isoforms; Receptors, Adrenergic, alpha-2; Signal Transduction; Skin; Skin Pigmentation; Sulfonamides; Yohimbine | 2001 |
Does leptin stimulate nitric oxide to oppose the effects of sympathetic activation?
Topics: Adrenergic alpha-Antagonists; Animals; Blood Pressure; Enzyme Inhibitors; Kidney; Leptin; Male; Mesentery; NG-Nitroarginine Methyl Ester; Nitric Oxide; Nitroprusside; Prazosin; Rats; Rats, Sprague-Dawley; Rats, Wistar; Regional Blood Flow; Sympathetic Nervous System; Vasoconstriction; Vasodilator Agents; Yohimbine | 2001 |
Effects of methylphenidate on the membrane potential and current in neurons of the rat locus coeruleus.
Topics: Adrenergic alpha-Antagonists; Animals; Barium; Central Nervous System Stimulants; Locus Coeruleus; Male; Membrane Potentials; Methylphenidate; Neurons; Norepinephrine; Patch-Clamp Techniques; Potassium Channels; Prazosin; Rats; Rats, Wistar; Yohimbine | 2002 |
Effect of alpha-adrenoceptor agonists and antagonists on imipramine-induced antinociception in the rat formalin test.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Antidepressive Agents, Tricyclic; Clonidine; Dose-Response Relationship, Drug; Formaldehyde; Imipramine; Injections, Intraventricular; Male; Nociceptors; Pain; Pain Measurement; Prazosin; Rats; Rats, Wistar; Yohimbine | 2002 |
Inhibition of glutamatergic synaptic input to spinal lamina II(o) neurons by presynaptic alpha(2)-adrenergic receptors.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Excitatory Postsynaptic Potentials; Glutamic Acid; In Vitro Techniques; Neural Inhibition; Neurons; Prazosin; Presynaptic Terminals; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha; Spinal Cord; Synapses; Synaptic Transmission; Yohimbine | 2002 |
Effects of nipradilol on alpha-adrenoceptor function in ocular arteries.
Topics: Adrenergic alpha-Antagonists; Animals; Arteries; Dogs; Dose-Response Relationship, Drug; Eye; Female; In Vitro Techniques; Male; Norepinephrine; Phenylephrine; Prazosin; Propanolamines; Receptors, Adrenergic, alpha; Vasoconstriction; Vasoconstrictor Agents; Vasodilation; Yohimbine | 2002 |
Peripheral 5-HT(2A)-receptor-mediated formation of an inhibitor of atrial natriuretic peptide binding involves inflammation.
Topics: Adrenergic alpha-Antagonists; alpha-Methyltyrosine; Animals; Atrial Natriuretic Factor; Catecholamines; Cyclooxygenase Inhibitors; Dexamethasone; Ditiocarb; Dopamine beta-Hydroxylase; Dose-Response Relationship, Drug; Endothelium, Vascular; Humans; Indomethacin; Inflammation; Isatin; Ketanserin; Muscle, Smooth; Prazosin; Propranolol; Protein Binding; Rats; Rats, Wistar; Reactive Oxygen Species; Receptor, Angiotensin, Type 1; Receptor, Serotonin, 5-HT2A; Receptors, Angiotensin; Receptors, Serotonin; Reserpine; Ritanserin; Serotonin; Serotonin Receptor Agonists; Tyrosine 3-Monooxygenase; Urination; Vascular Resistance; Yohimbine | 2002 |
Differential neural activation of vascular alpha-adrenoceptors in oral tissues of cats.
Topics: Adrenergic alpha-Antagonists; Animals; Arteries; Blood Flow Velocity; Cats; Dose-Response Relationship, Drug; Electric Stimulation; Female; Gingiva; Male; Phentolamine; Prazosin; Receptors, Adrenergic, alpha; Sympathectomy; Sympathetic Nervous System; Tongue; Vasoconstriction; Yohimbine | 2002 |
Post-junctional alpha-adrenoceptors and basal limb vascular tone in healthy men.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adult; Blood Flow Velocity; Dose-Response Relationship, Drug; Forearm; Humans; Male; Muscle Tonus; Muscle, Smooth, Vascular; Phentolamine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Reference Values; Regional Blood Flow; Vasodilation; Yohimbine | 2002 |
Effect of adrenergic blockade on the pheromonal restoration of cyclic activity in young oestrogen-primed persistent oestrous female rats.
Topics: Administration, Intranasal; Adrenergic alpha-Antagonists; Animals; Estradiol; Estrus; Female; Hormones; Hypothalamo-Hypophyseal System; Male; Ovary; Pheromones; Prazosin; Rats; Rats, Wistar; Sex Characteristics; Urine; Yohimbine | 2002 |
Effects of sympathetic nerve stimulation on long posterior ciliary artery blood flow in cats.
Topics: Adrenergic alpha-Antagonists; Animals; Arteries; Cats; Ciliary Body; Electric Stimulation; Female; Male; Nictitating Membrane; Phentolamine; Prazosin; Regional Blood Flow; Sympathetic Nervous System; Ultrasonography; Yohimbine | 2002 |
Alpha2 -adrenoceptor function in arterial hypertension associated with obesity in dogs fed a high-fat diet.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Blood Platelets; Blood Pressure; Catecholamines; Clonidine; Diastole; Dietary Fats; Dogs; Dose-Response Relationship, Drug; Heart Rate; Hypertension; Male; Obesity; Prazosin; Receptors, Adrenergic, alpha; Systole; Yohimbine | 2002 |
Adrenergic mechanisms in antinociceptive effects of non steroidal anti-inflammatory drugs in acute thermal nociception in mice.
Topics: Adrenergic alpha-Antagonists; Analgesics; Animals; Anti-Inflammatory Agents, Non-Steroidal; Hot Temperature; Mice; Nociceptors; Pain Measurement; Phenoxybenzamine; Prazosin; Reaction Time; Receptors, Adrenergic, alpha; Sympathetic Nervous System; Yohimbine | 2002 |
Prior iontophoresis of saline enhances vasoconstriction to phenylephrine and clonidine in the skin of the human forearm.
Topics: Administration, Cutaneous; Adolescent; Adrenergic alpha-Agonists; Adult; Clonidine; Female; Forearm; Humans; Iontophoresis; Male; Phenylephrine; Prazosin; Skin; Sodium Chloride; Vasoconstriction; Yohimbine | 2002 |
Inhibition of pilocarpine-induced salivation in rats by central noradrenaline.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Analysis of Variance; Animals; Idazoxan; Injections, Intraperitoneal; Injections, Intraventricular; Male; Muscarinic Agonists; Norepinephrine; Pilocarpine; Prazosin; Rats; Rats, Sprague-Dawley; Saliva; Salivation; Statistics as Topic; Yohimbine | 2002 |
Noradrenaline-induced contraction of human saphenous vein and human internal mammary artery: involvement of different alpha-adrenoceptor subtypes.
Topics: Adrenergic alpha-Antagonists; Aged; Clonidine; Dose-Response Relationship, Drug; Female; Humans; In Vitro Techniques; Male; Mammary Arteries; Muscle, Smooth, Vascular; Norepinephrine; Piperazines; Prazosin; Receptors, Adrenergic, alpha; Regression Analysis; Saphenous Vein; Yohimbine | 2002 |
Intracerebroventricular administration of octopamine stimulates food intake of chicks through alpha(2)-adrenoceptor.
Topics: Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Chickens; Eating; Injections, Intraventricular; Male; Octopamine; Prazosin; Stimulation, Chemical; Yohimbine | 2002 |
Pattern generation in caudal-lumbar and sacrococcygeal segments of the neonatal rat spinal cord.
Topics: Action Potentials; Adrenergic alpha-Antagonists; Animals; Animals, Newborn; Electromyography; Electrophysiology; Excitatory Amino Acid Agonists; In Vitro Techniques; Lumbosacral Region; Motor Activity; N-Methylaspartate; Norepinephrine; Periodicity; Prazosin; Rats; Sacrococcygeal Region; Serotonin; Spinal Cord; Tail; Yohimbine | 2002 |
Adrenoceptors of the medial septal area modulate water intake and renal excretory function induced by central administration of angiotensin II.
Topics: Adrenergic alpha-Antagonists; Angiotensin II; Animals; Clonidine; Drinking; Injections, Intraventricular; Kidney; Male; Potassium; Prazosin; Rats; Rats, Sprague-Dawley; Septum of Brain; Sodium; Urine; Yohimbine | 2002 |
Alpha(1L)-, but not alpha(1H)-, adrenoceptor antagonist prevents allergic bronchoconstriction in guinea pigs in vivo.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Antagonists; Animals; Blood Pressure; Bronchoalveolar Lavage Fluid; Bronchoconstriction; Bronchoconstrictor Agents; Cresols; Guinea Pigs; Leukotriene C4; Male; Methacholine Chloride; Moxisylyte; Ovalbumin; Prazosin; Respiratory Hypersensitivity; Yohimbine | 2002 |
The role of alpha-adrenoceptors in the amnestic effect of intracerebroventricular dexamethasone.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Amnesia; Animals; Avoidance Learning; Clonidine; Dexamethasone; Dose-Response Relationship, Drug; Injections, Intraventricular; Male; Memory; Phenylephrine; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha; Yohimbine | 2002 |
Functional role of inhibitory and excitatory nerves in the porcine lower urinary tract.
Topics: Adrenergic alpha-Antagonists; Animals; Arginine; Atropine; Cyclic GMP; Dose-Response Relationship, Drug; Electric Stimulation; Enzyme Inhibitors; Female; In Vitro Techniques; Male; Muscle Contraction; Muscle Relaxation; NG-Nitroarginine Methyl Ester; Nitric Oxide; Nitric Oxide Synthase; Papaverine; Prazosin; Swine; Tetrodotoxin; Urethra; Urinary Bladder; Urinary Tract; Vasodilator Agents; Yohimbine | 2002 |
Central alpha(2) adrenergic receptors and cholinergic-induced salivation in rats.
Topics: Adrenergic alpha-Antagonists; Animals; Brain; Idazoxan; Imidazoles; Injections, Intraperitoneal; Injections, Intraventricular; Male; Muscarinic Agonists; Pilocarpine; Prazosin; Rats; Receptors, Adrenergic, alpha-2; Salivation; Sympatholytics; Yohimbine | 2003 |
Mediation of contraction in rat cauda epididymidis by alpha-adrenoceptors.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Dose-Response Relationship, Drug; Epididymis; Male; Methoxamine; Muscle Contraction; Muscle, Smooth; Norepinephrine; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha; Yohimbine | 2002 |
Neural pathways between sacrocaudal afferents and lumbar pattern generators in neonatal rats.
Topics: 2-Amino-5-phosphonovalerate; 6-Cyano-7-nitroquinoxaline-2,3-dione; Adrenergic Antagonists; Animals; Animals, Newborn; Electric Stimulation; Excitatory Amino Acid Antagonists; Lumbar Vertebrae; Neurons, Afferent; Periodicity; Prazosin; Rats; Receptors, N-Methyl-D-Aspartate; Sacrum; Spinal Cord; Synaptic Transmission; Yohimbine | 2003 |
[Characteristics of alpha2-adrenoceptor mediated contractile response in isolated aortae of rats].
Topics: Adrenergic alpha-Antagonists; Animals; Aorta; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Yohimbine | 2001 |
An antihypokinesic action of alpha2-adrenoceptors upon MPTP-induced behaviour deficits in mice.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Apomorphine; Clonidine; Dopamine; Dopamine Agonists; Drug Interactions; Drug Therapy, Combination; Guanfacine; Homovanillic Acid; Levodopa; Male; Mice; Mice, Inbred C57BL; Neostriatum; Neurons; Parkinsonian Disorders; Prazosin; Receptors, Adrenergic, alpha-2; Synaptic Transmission; Yohimbine | 2003 |
Existence of alpha-adrenoceptor subtypes in isolated human gastroepiploic and omental arteries.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Aged; Arteries; Azepines; Catheterization; Dose-Response Relationship, Drug; Female; Gastroepiploic Artery; Humans; In Vitro Techniques; Male; Middle Aged; Norepinephrine; Peritoneum; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Vasoconstriction; Yohimbine | 2003 |
Central alpha-adrenergic receptors and corticotropin releasing factor mediate hemodynamic responses to acute cold stress.
Topics: Adrenergic alpha-Antagonists; Analysis of Variance; Animals; Cold Temperature; Corticotropin-Releasing Hormone; Hemodynamics; Hormone Antagonists; Male; Peptide Fragments; Phentolamine; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic; Stress, Physiological; Time Factors; Yohimbine | 2003 |
Yohimbine reverses the exhaustion of the coital reflex in spinal male rats.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Copulation; Ejaculation; Electromyography; Evoked Potentials; Male; Physical Stimulation; Prazosin; Rats; Rats, Wistar; Reaction Time; Spinal Cord; Spinal Cord Injuries; Yohimbine | 2003 |
Adrenoceptor mechanisms underlying imipramine-induced memory deficits in rats.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic Uptake Inhibitors; Animals; Antidepressive Agents, Tricyclic; Avoidance Learning; Clonidine; Dose-Response Relationship, Drug; Electroshock; Hippocampus; Imipramine; Male; Memory; Phenylephrine; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Yohimbine | 2003 |
Investigation of postjunctional alpha1- and alpha2-adrenoceptor subtypes in vas deferens from wild-type and alpha(2A/D)-adrenoceptor knockout mice.
Topics: Adrenergic alpha-1 Receptor Antagonists; Animals; Cocaine; Electric Stimulation; Imidazoles; Indoles; Isoindoles; Isometric Contraction; Male; Mice; Mice, Knockout; Nifedipine; Norepinephrine; Phenylephrine; Piperazines; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Receptors, Purinergic; Suramin; Thymine; Vas Deferens; Yohimbine | 2003 |
Imipramine-induced antinociception in the formalin test. Receptor mechanisms involved and effect of swim stress.
Topics: Animals; Dose-Response Relationship, Drug; Imipramine; Injections, Intraventricular; Male; Mice; Mice, Inbred Strains; Naloxone; Nociceptors; Pain; Pain Measurement; Prazosin; Stress, Physiological; Swimming; Yohimbine | 2003 |
The role of catecholamines in retention performance of a partially baited radial eight-arm maze for rats.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Benzazepines; Dopamine; Dopamine Antagonists; Haloperidol; Male; Maze Learning; Memory; Norepinephrine; Prazosin; Propranolol; Rats; Rats, Wistar; Space Perception; Spiperone; Yohimbine | 2002 |
Influence of histamine, cimetidine and pyrilamine on naloxone-induced jumping in morphine-dependent mice.
Topics: Animals; Atropine; Cimetidine; Dose-Response Relationship, Drug; Drug Administration Schedule; Drug Combinations; Drug Interactions; Histamine; Histamine H2 Antagonists; Injections, Intraperitoneal; Injections, Intraventricular; Injections, Subcutaneous; Mice; Morphine; Morphine Dependence; Motor Activity; Naloxone; Prazosin; Propranolol; Pyrilamine; Receptors, Histamine H2; Yohimbine | 2003 |
Functional characterization of alpha-adrenoceptors mediating pupillary dilation in rats.
Topics: Adrenergic alpha-Antagonists; Adrenergic Fibers; Animals; Dioxanes; Dose-Response Relationship, Drug; Electric Stimulation; Injections, Intravenous; Male; Mydriasis; Norepinephrine; Phenoxybenzamine; Phentolamine; Piperazines; Prazosin; Pupil; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Yohimbine | 2003 |
Effects of castration and of testosterone replacement on alpha(1)-adrenoceptor subtypes in the rat vas deferens.
Topics: Animals; Castration; Clonidine; Dioxanes; Dose-Response Relationship, Drug; Male; Muscle Contraction; Neuronal Plasticity; Norepinephrine; Phentolamine; Piperazines; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Testosterone; Time Factors; Vas Deferens; Yohimbine | 2003 |
Effects of imipramine on the expression and development of morphine dependence in mice.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic Uptake Inhibitors; Animals; Clonidine; Dose-Response Relationship, Drug; Imipramine; Injections, Subcutaneous; Male; Mice; Morphine; Morphine Dependence; Motor Activity; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Yohimbine | 2003 |
Effect of clonidine on colonic motility in rats.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Colon; Drug Interactions; Gastrointestinal Motility; In Vitro Techniques; Male; Norepinephrine; Prazosin; Rats; Rats, Wistar; Time Factors; Yohimbine | 2003 |
The beta3-adrenoceptor-mediated relaxation induced by dopamine in guinea pig taenia caecum.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Atenolol; Benzazepines; Butoxamine; Cecum; Dopamine; Dopamine Antagonists; Guinea Pigs; Haloperidol; Male; Muscle Relaxation; Phentolamine; Prazosin; Propranolol; Receptors, Adrenergic, beta-3; Yohimbine | 2003 |
Norepinephrine activates extracellular-regulated kinase in cortical neurons.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Agonists; Adrenergic beta-Antagonists; Animals; Blotting, Western; Brimonidine Tartrate; Cells, Cultured; Cerebral Cortex; Dose-Response Relationship, Drug; Drug Interactions; Embryo, Mammalian; Enzyme Inhibitors; Extracellular Space; Female; Isoproterenol; Male; Mitogen-Activated Protein Kinases; Neurons; Norepinephrine; Pertussis Toxin; Phosphorylation; Prazosin; Pregnancy; Propranolol; Quinoxalines; Rats; Rats, Sprague-Dawley; Time Factors; Yohimbine | 2003 |
Moxonidine, an antihypertensive agent, is permissive to alpha1-adrenergic receptor pathway in the rat-tail artery.
Topics: Adrenergic alpha-1 Receptor Antagonists; Animals; Antihypertensive Agents; Drug Interactions; Imidazoles; Male; Muscle, Smooth, Vascular; Piperazines; Prazosin; Rats; Rats, Sprague-Dawley; Vasoconstriction; Yohimbine | 2004 |
Clonidine-induced coronary vasodilatation in isolated guinea pig heart is not mediated by endothelial alpha2 adrenoceptors.
Topics: Animals; Clonidine; Coronary Vessels; Dose-Response Relationship, Drug; Drug Synergism; Endothelium, Vascular; Guinea Pigs; Heart; Myocardial Contraction; NG-Nitroarginine Methyl Ester; Nitric Oxide; Phentolamine; Prazosin; Ranitidine; Receptors, Adrenergic, alpha-2; Receptors, Histamine H2; Vasoconstriction; Vasodilation; Yohimbine | 2003 |
Immunohistochemical and functional evidence for a noradrenergic regulation in the horse penile deep dorsal vein.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Azepines; Dopamine beta-Hydroxylase; Electric Stimulation; Horses; Immunohistochemistry; Male; Muscle Contraction; Muscle, Smooth, Vascular; Nerve Fibers; Norepinephrine; Penis; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Veins; Yohimbine | 2004 |
Alpha-1 adrenoceptor agonists generate a "fast" NMDA receptor-independent motor rhythm in the neonatal rat spinal cord.
Topics: 2-Amino-5-phosphonovalerate; Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Electric Impedance; Electric Stimulation; Excitatory Amino Acid Antagonists; In Vitro Techniques; Lumbosacral Region; Methoxamine; Motor Activity; Motor Neurons; Norepinephrine; Periodicity; Prazosin; Rats; Receptors, N-Methyl-D-Aspartate; Sacrococcygeal Region; Spinal Cord; Yohimbine | 2004 |
Sympathetic influence on capsaicin-evoked enhancement of dorsal root reflexes in rats.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Capsaicin; Electric Stimulation; Electrodes; Extracellular Space; Male; Membrane Potentials; Nerve Fibers; Nerve Fibers, Myelinated; Nerve Fibers, Unmyelinated; Neural Conduction; Norepinephrine; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic; Reflex; Spinal Nerve Roots; Sympathectomy; Sympathetic Nervous System; Yohimbine | 2004 |
5-HT1B receptors, alpha2A/2C- and, to a lesser extent, alpha1-adrenoceptors mediate the external carotid vasoconstriction to ergotamine in vagosympathectomised dogs.
Topics: Animals; Biphenyl Compounds; Blood Pressure; Carotid Artery, External; Dogs; Dose-Response Relationship, Drug; Drug Administration Schedule; Drug Therapy, Combination; Ergotamine; Hypotension; Imidazoles; Indoles; Injections, Intravenous; Isoindoles; Male; Piperazines; Piperidones; Prazosin; Quinolizines; Receptor, Serotonin, 5-HT1B; Receptors, Adrenergic, alpha; Regional Blood Flow; Spiro Compounds; Sympathectomy; Vagotomy; Vasoconstriction; Yohimbine | 2004 |
alpha-Adrenoceptor subtypes mediating regional kidney blood flow responses to renal nerve stimulation.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Blood Pressure; Dose-Response Relationship, Drug; Dose-Response Relationship, Radiation; Electric Stimulation; Guanabenz; Kidney; Laser-Doppler Flowmetry; Male; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Regional Blood Flow; Renal Artery; Renal Circulation; Stimulation, Chemical; Sympathetic Nervous System; Vasoconstriction; Yohimbine | 2004 |
Changes in c-fos expression in the rat heart during morphine withdrawal. Involvement of alpha2-adrenoceptors.
Topics: Adrenergic alpha-2 Receptor Antagonists; Animals; Blotting, Western; Body Weight; Drug Administration Schedule; Drug Therapy, Combination; Gene Expression; Genes, fos; Heart Ventricles; Immunohistochemistry; Injections, Subcutaneous; Male; Morphine; Myocytes, Cardiac; Naloxone; Normetanephrine; Prazosin; Propranolol; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-2; Substance Withdrawal Syndrome; Time Factors; Yohimbine | 2004 |
Norepinephrine increases alveolar fluid reabsorption and Na,K-ATPase activity.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Amiloride; Animals; Biological Transport; Clonidine; Disease Models, Animal; Dose-Response Relationship, Drug; Drug Evaluation, Preclinical; Male; Norepinephrine; Octopamine; Ouabain; Phenylephrine; Prazosin; Propranolol; Pulmonary Alveoli; Pulmonary Edema; Rats; Rats, Sprague-Dawley; Sodium-Potassium-Exchanging ATPase; Up-Regulation; Water-Electrolyte Balance; Yohimbine | 2004 |
The role of alpha1- and alpha2-adrenoceptors in gender differences in cutaneous LD flux response to local cooling.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Antagonists; Adult; Blood Flow Velocity; Cold Temperature; Female; Humans; Laser-Doppler Flowmetry; Male; Microinjections; Middle Aged; Prazosin; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Sex Characteristics; Skin; Yohimbine | 2004 |
[Ethyl-3H]RS-79948-197 alpha2-adrenoceptor autoradiography validation in alpha2-adrenoceptor knockout mice.
Topics: Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Animals; Autoradiography; Binding Sites; Binding, Competitive; Cerebral Cortex; Idazoxan; In Vitro Techniques; Isoquinolines; Ligands; Mice; Mice, Knockout; Naphthyridines; Oxymetazoline; Phentolamine; Prazosin; Putamen; Radioligand Assay; Receptors, Adrenergic, alpha-2; Tritium; Yohimbine | 2004 |
Chronic morphine treatment reduces recovery from opioid desensitization.
Topics: Adrenergic alpha-Agonists; Animals; Brimonidine Tartrate; Cocaine; Drug Tolerance; Enkephalin, Methionine; Leucine; Locus Coeruleus; Male; Monensin; Morphine; Morphine Dependence; Morphine Derivatives; Norepinephrine; Phosphorylation; Prazosin; Protein Kinase C; Protein Processing, Post-Translational; Quinoxalines; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-2; Receptors, Opioid, mu; Staurosporine; Thiorphan; Yohimbine | 2004 |
Expression and regulation of type 2 iodothyronine deiodinase in rat aorta media.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Aorta; Gene Expression Regulation, Enzymologic; Hypothyroidism; Iodide Peroxidase; Iodothyronine Deiodinase Type II; Male; Prazosin; Propranolol; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, beta; RNA, Messenger; Thyroxine; Triiodothyronine; Tunica Media; Yohimbine | 2004 |
Role of N-methyl-D-aspartate receptors in gastric mucosal blood flow induced by histamine.
Topics: Acids; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Aspartic Acid; Cimetidine; Drug Interactions; Gastric Mucosa; Histamine; Histamine H1 Antagonists; Histamine H2 Antagonists; Immunohistochemistry; Laser-Doppler Flowmetry; Male; N-Methylaspartate; Prazosin; Propranolol; Rats; Rats, Sprague-Dawley; Receptors, N-Methyl-D-Aspartate; Regional Blood Flow; Time Factors; Tripelennamine; Valine; Yohimbine | 2004 |
Sympathetic modulation of activity in Adelta- and C-primary nociceptive afferents after intradermal injection of capsaicin in rats.
Topics: Action Potentials; Adrenergic alpha-Antagonists; Analysis of Variance; Animals; Capsaicin; Carbolines; Injections, Intradermal; Male; Nerve Fibers, Myelinated; Nerve Fibers, Unmyelinated; Neurons, Afferent; Nociceptors; Physical Stimulation; Prazosin; Rats; Rats, Sprague-Dawley; Sympathectomy; Vasoconstrictor Agents; Vasopressins; Yohimbine | 2005 |
Effects of intrathecal 6-hydroxydopamine, alpha1 and alpha2 adrenergic receptor antagonists on antinociception of propofol in mice.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Analgesics; Animals; Female; Injections, Intraventricular; Injections, Spinal; Injections, Subcutaneous; Male; Mice; Nociceptors; Oxidopamine; Pain Threshold; Prazosin; Propofol; Spinal Cord; Yohimbine | 2005 |
Role of descending noradrenergic system and spinal alpha2-adrenergic receptors in the effects of gabapentin on thermal and mechanical nociception after partial nerve injury in the mouse.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Amines; Analgesics; Animals; Cyclohexanecarboxylic Acids; Foot; Gabapentin; gamma-Aminobutyric Acid; Hindlimb; Hot Temperature; Hyperalgesia; Male; Mice; Mice, Inbred Strains; Motor Activity; Pain Measurement; Prazosin; Receptors, Adrenergic, alpha-2; Sciatic Nerve; Touch; Yohimbine | 2005 |
Role of alpha and beta adrenoceptors in locus coeruleus stimulation-induced reduction in rapid eye movement sleep in freely moving rats.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Analysis of Variance; Animals; Behavior, Animal; Central Nervous System Stimulants; Clonidine; Electric Stimulation; Electroencephalography; Electromyography; Electrooculography; Locus Coeruleus; Male; Models, Biological; Picrotoxin; Prazosin; Propranolol; Rats; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Sleep, REM; Time Factors; Wakefulness; Yohimbine | 2005 |
Neurogenic double-peaked vasoconstriction of human gastroepiploic artery is mediated by both alpha1- and alpha2-adrenoceptors.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Antagonists; Aged; Aniline Compounds; Dose-Response Relationship, Drug; Drug Interactions; Electric Stimulation; Female; Gastroepiploic Artery; Humans; Male; Middle Aged; Norepinephrine; Perfusion; Piperidines; Prazosin; Receptors, Adrenergic, alpha; Time Factors; Vasoconstriction; Vasoconstrictor Agents; Vasodilator Agents; Yohimbine | 2005 |
Yohimbine disrupts prepulse inhibition in rats via action at 5-HT1A receptors, not alpha2-adrenoceptors.
Topics: Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Behavior, Animal; Clonidine; Dose-Response Relationship, Drug; Drug Synergism; Guanfacine; Imidazoles; Injections; Male; Medetomidine; Neural Inhibition; Piperazines; Prazosin; Pyridines; Rats; Rats, Sprague-Dawley; Receptor, Serotonin, 5-HT1A; Receptors, Adrenergic, alpha-2; Reflex, Startle; Serotonin 5-HT1 Receptor Antagonists; Serotonin Antagonists; Yohimbine | 2005 |
Effects of alpha1- and alpha2-adrenoreceptor antagonists on cold allodynia in a rat tail model of neuropathic pain.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Analysis of Variance; Animals; Cold Temperature; Disease Models, Animal; Dose-Response Relationship, Drug; Hyperalgesia; Male; Nociceptors; Pain Threshold; Prazosin; Rats; Rats, Sprague-Dawley; Spinal Nerves; Tail; Yohimbine | 2005 |
Inhibitory actions of endothelin-1 on pain processing.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Antagonists; Analgesics, Non-Narcotic; Animals; Brain; Disease Models, Animal; Dose-Response Relationship, Drug; Endothelin A Receptor Antagonists; Endothelin B Receptor Antagonists; Endothelin-1; Injections, Intraventricular; Male; Mice; Mice, Inbred C57BL; Neural Inhibition; Neural Pathways; Oligopeptides; Pain; Pain Measurement; Pain Threshold; Peptides, Cyclic; Piperidines; Prazosin; Reaction Time; Receptor, Endothelin A; Receptor, Endothelin B; Receptors, Adrenergic, alpha-1; Yohimbine | 2004 |
Diazepam augments gender differences in cutaneous LD flux response to local cooling.
Topics: Adult; Cold Temperature; Diazepam; Drug Therapy, Combination; Female; Hemodynamics; Humans; Laser-Doppler Flowmetry; Male; Microcirculation; Muscle Relaxants, Central; Prazosin; Regional Blood Flow; Sex Factors; Skin; Skin Temperature; Yohimbine | 2005 |
Involvement of 5-HT2 receptors in the antinociceptive effect of Uncaria tomentosa.
Topics: Acetic Acid; Analgesics; Animals; Arginine; Atropine; Behavior, Animal; Capsaicin; Cat's Claw; Dose-Response Relationship, Drug; Formaldehyde; Ketanserin; Male; Mice; Motor Activity; Naltrexone; Pain; Pain Measurement; Phytotherapy; Plant Preparations; Prazosin; Receptors, Serotonin, 5-HT2; Reserpine; Serotonin 5-HT2 Receptor Antagonists; Serotonin Antagonists; Yohimbine | 2005 |
Effects of electroacupuncture on cold allodynia in a rat model of neuropathic pain: mediation by spinal adrenergic and serotonergic receptors.
Topics: Adrenergic alpha-Antagonists; Animals; Cold Temperature; Disease Models, Animal; Dose-Response Relationship, Radiation; Electroacupuncture; Hyperesthesia; Male; Pain Management; Pain Measurement; Prazosin; Rats; Rats, Sprague-Dawley; Reaction Time; Receptors, Adrenergic; Receptors, Serotonin; Serotonin Antagonists; Spinal Cord; Time Factors; Yohimbine | 2005 |
Adrenergic origin of very low-frequency blood pressure oscillations in the unanesthetized rat.
Topics: Adrenergic Agonists; Adrenergic Antagonists; Animals; Arginine Vasopressin; Barium Sulfate; Blood Pressure; Calcium Channel Blockers; Consciousness; Epinephrine; Ganglionic Blockers; Hemodynamics; Hexamethonium; Losartan; Nifedipine; Norepinephrine; Potassium Channel Blockers; Prazosin; Propranolol; Rats; Rats, Inbred WKY; Receptors, Adrenergic; Vasoconstrictor Agents; Yohimbine | 2006 |
Cholinergic innervation of the mouse isolated vas deferens.
Topics: Acetylcholine; Animals; Atropine; Bretylium Compounds; Cyclopentolate; Male; Mice; Mice, Inbred BALB C; Muscle Contraction; Neostigmine; Nicotine; Parasympathetic Nervous System; Prazosin; Vas Deferens; Yohimbine | 2005 |
Urocortin 2 acts centrally to delay gastric emptying through sympathetic pathways while CRF and urocortin 1 inhibitory actions are vagal dependent in rats.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Bretylium Compounds; Corticotropin-Releasing Hormone; Gastric Emptying; Humans; Male; Peptide Fragments; Prazosin; Rats; Sympathetic Nervous System; Urocortins; Vagotomy; Vagus Nerve; Yohimbine | 2006 |
Individual differences in the sensitivity of cold allodynia to phentolamine in neuropathic rats.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Antagonists; Animals; Behavior, Animal; Cold Temperature; Disease Models, Animal; Hyperalgesia; Male; Nociceptors; Pain; Pain Threshold; Peripheral Nervous System Diseases; Phentolamine; Prazosin; Rats; Rats, Sprague-Dawley; Spinal Nerves; Time Factors; Yohimbine | 2005 |
Characterisation of alpha2-adrenoceptor subtypes involved in gastric emptying, gastric motility and gastric mucosal defence.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Disease Models, Animal; Dose-Response Relationship, Drug; Ethanol; Gastric Emptying; Gastric Mucosa; Gastrointestinal Motility; Male; Muscle Contraction; Muscle, Smooth; Naloxone; Narcotic Antagonists; Oxymetazoline; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-2; Stomach Ulcer; Yohimbine | 2005 |
Alpha-adrenergic receptor-mediated restraint of skeletal muscle blood flow during prolonged exercise.
Topics: Adrenergic alpha-Antagonists; Animals; Dogs; Muscle, Skeletal; Physical Conditioning, Animal; Physical Endurance; Prazosin; Receptors, Adrenergic, alpha; Regional Blood Flow; Sympathetic Nervous System; Time Factors; Vasoconstriction; Yohimbine | 2006 |
Potential vascular alpha1-adrenoceptor blocking properties of an array of 5-HT receptor ligands in the rat.
Topics: 8-Hydroxy-2-(di-n-propylamino)tetralin; Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Blood Pressure; Buspirone; Clozapine; Decerebrate State; Dose-Response Relationship, Drug; Drug Interactions; Ergotamine; Heart Rate; Ketanserin; Lisuride; Male; Metergoline; Methiothepin; Methysergide; Phenylephrine; Piperazines; Pizotyline; Prazosin; Pyridines; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Serotonin Antagonists; Serotonin Receptor Agonists; Yohimbine | 2006 |
Acute lead exposure and contraction of rat isolated aorta induced by D1-dopaminergic and alpha-adrenergic drugs.
Topics: Adrenergic alpha-Agonists; Analysis of Variance; Animals; Aorta; Benzazepines; Cardiotonic Agents; Clonidine; Dopamine; Dose-Response Relationship, Drug; Lead; Male; Muscle, Smooth, Vascular; Phenylephrine; Prazosin; Rats; Rats, Wistar; Yohimbine | 2006 |
Alpha1L-adrenoceptors mediate contractions of the isolated mouse prostate.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Agonists; Analysis of Variance; Animals; Clonidine; Dioxanes; Dopamine; Dose-Response Relationship, Drug; Epinephrine; In Vitro Techniques; Indoles; Isoproterenol; Male; Mice; Muscle Contraction; Norepinephrine; Phenylephrine; Prazosin; Prostate; Receptors, Adrenergic, alpha-1; Yohimbine | 2006 |
Receptors involved in moxonidine-stimulated atrial natriuretic peptide release from isolated normotensive rat hearts.
Topics: Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Antihypertensive Agents; Atrial Natriuretic Factor; Bridged Bicyclo Compounds; Brimonidine Tartrate; Clonidine; Coronary Circulation; Drug Synergism; Female; Heart; Heart Rate; Heptanes; Imidazoles; Imidazoline Receptors; In Vitro Techniques; Myocardium; Perfusion; Phenoxybenzamine; Prazosin; Quinoxalines; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-2; Receptors, Drug; Yohimbine | 2006 |
alpha2-adrenoceptor agonists as nasal decongestants.
Topics: Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Azepines; Cats; Dogs; Dose-Response Relationship, Drug; Epinephrine; Female; In Vitro Techniques; Macaca fascicularis; Macaca mulatta; Male; Muscle Contraction; Muscle, Smooth, Vascular; Nasal Decongestants; Nasal Mucosa; p-Methoxy-N-methylphenethylamine; Prazosin; Swine; Swine, Miniature; Vasoconstriction; Yohimbine | 2007 |
Effects and mechanisms of anal electrical stimulation on anorectal compliance and tone in dogs.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Antagonists; Anal Canal; Animals; Compliance; Defecation; Dogs; Electric Stimulation; Female; Prazosin; Pressure; Rectum; Reflex; Yohimbine | 2006 |
On the mechanism of carbamazepine-induced antinociception in the formalin test.
Topics: Adrenergic alpha-Antagonists; Analgesics, Non-Narcotic; Analysis of Variance; Animals; Behavior, Animal; Bicuculline; Carbamazepine; Dose-Response Relationship, Drug; Drug Therapy, Combination; Formaldehyde; GABA Antagonists; Male; Mice; Organophosphorus Compounds; Pain; Pain Measurement; Prazosin; Yohimbine | 2006 |
The contribution of alpha-1 and alpha-2 adrenoceptors in peripheral imidazoline and adrenoceptor agonist-induced nociception.
Topics: Adrenergic alpha-Agonists; Agmatine; Analgesics; Animals; Clonidine; Dose-Response Relationship, Drug; Hyperalgesia; Imidazoline Receptors; Male; Mice; Mice, Inbred BALB C; Norepinephrine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Receptors, Drug; Yohimbine | 2006 |
Analysis of the antinociceptive effect of the proanthocyanidin-rich fraction obtained from Croton celtidifolius barks: evidence for a role of the dopaminergic system.
Topics: Analgesics; Animals; Arginine; Croton; Male; Mice; Nitric Oxide; Plant Extracts; Prazosin; Proanthocyanidins; Receptors, Dopamine D2; Sulpiride; Yohimbine | 2006 |
Alpha-noradrenergic receptors modulate the development and expression of cocaine sensitization.
Topics: Adrenergic alpha-Antagonists; Animals; Behavior, Animal; Clonidine; Cocaine; Idazoxan; Male; Motor Activity; Prazosin; Rats; Rats, Sprague-Dawley; Time Factors; Yohimbine | 2006 |
Cardiovascular effects of centrally acting orexin A in haemorrhage-shocked rats.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Blood Pressure; Cardiovascular System; Dose-Response Relationship, Drug; Heart Rate; Humans; Hypotension; Injections, Intraventricular; Intracellular Signaling Peptides and Proteins; Male; Neuropeptides; Orexins; Prazosin; Propranolol; Rats; Rats, Wistar; Regional Blood Flow; Shock, Hemorrhagic; Sympathetic Nervous System; Sympathomimetics; Yohimbine | 2006 |
Alpha1-adrenergic receptor stimulation induces the expression of receptor activator of nuclear factor kappaB ligand gene via protein kinase C and extracellular signal-regulated kinase pathways in MC3T3-E1 osteoblast-like cells.
Topics: 3T3 Cells; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Blotting, Western; Dose-Response Relationship, Drug; Enzyme Activation; Enzyme Inhibitors; Extracellular Signal-Regulated MAP Kinases; Flavonoids; Indoles; Maleimides; Mice; Osteoblasts; Phenylephrine; Prazosin; Propranolol; Protein Kinase C; Receptor Activator of Nuclear Factor-kappa B; Receptors, Adrenergic, alpha-1; Reverse Transcriptase Polymerase Chain Reaction; Tetradecanoylphorbol Acetate; Yohimbine | 2007 |
A61603-induced contractions of the porcine meningeal artery are mediated by alpha1- and alpha2-adrenoceptors.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-Antagonists; Alkaloids; Animals; Benzophenanthridines; Colforsin; Dose-Response Relationship, Drug; Female; Forecasting; Imidazoles; In Vitro Techniques; Meningeal Arteries; Methiothepin; Norepinephrine; Oxadiazoles; Phenylephrine; Piperazines; Potassium Chloride; Prazosin; Protein Kinase C; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Ritanserin; Serotonin 5-HT1 Receptor Antagonists; Serotonin Antagonists; Swine; Tetrahydronaphthalenes; Vasoconstriction; Yohimbine | 2007 |
Characterization of the postjunctional alpha 2C-adrenoceptor mediating vasoconstriction to UK14304 in porcine pulmonary veins.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Brimonidine Tartrate; Clonidine; Dioxanes; Dose-Response Relationship, Drug; Gene Expression; Imidazoles; In Vitro Techniques; Indoles; Isoindoles; Isoquinolines; Neuromuscular Junction; Norepinephrine; Piperazines; Prazosin; Pulmonary Veins; Quinolizines; Quinoxalines; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Swine; Vasoconstriction; Yohimbine | 2007 |
Involvement of central alpha1- and alpha2-adrenoceptors on cardiovascular responses to moxonidine.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Antihypertensive Agents; Blood Pressure; Brain; Brain Stem; Dose-Response Relationship, Drug; Heart Rate; Imidazoles; Injections, Intraventricular; Male; Prazosin; Prosencephalon; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha; Renal Circulation; Splanchnic Circulation; Vascular Resistance; Yohimbine | 2007 |
Preoptic nitric oxide attenuates endotoxic fever in guinea pigs by inhibiting the POA release of norepinephrine.
Topics: Acetaminophen; Adrenergic alpha-Antagonists; Animals; Body Temperature; Catheterization; Cyclooxygenase Inhibitors; Dinoprostone; Fever; Guinea Pigs; Jugular Veins; Lipopolysaccharides; Male; Microdialysis; Norepinephrine; Prazosin; Preoptic Area; Salmonella enteritidis; Yohimbine | 2007 |
Preoptic norepinephrine mediates the febrile response of guinea pigs to lipopolysaccharide.
Topics: Acetaminophen; Adrenergic alpha-Antagonists; Animals; Body Temperature; Catheterization; Cyclooxygenase Inhibitors; Dinoprostone; Fever; Guinea Pigs; Jugular Veins; Lipopolysaccharides; Male; Microdialysis; Norepinephrine; Prazosin; Preoptic Area; Salmonella enteritidis; Yohimbine | 2007 |
Differential modulation of bovine epididymal activity by oxytocin and noradrenaline.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Animals; Arginine Vasopressin; Base Sequence; Cattle; Ejaculation; Epididymis; Immunohistochemistry; In Vitro Techniques; Isometric Contraction; Male; Molecular Sequence Data; Norepinephrine; Oxytocin; Prazosin; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Receptors, Oxytocin; Reverse Transcriptase Polymerase Chain Reaction; Yohimbine | 2007 |
Differences in sympathetic neuroeffector transmission to rat mesenteric arteries and veins as probed by in vitro continuous amperometry and video imaging.
Topics: Animals; Cocaine; Electrophysiology; Glyoxylates; Mesenteric Arteries; Mesenteric Veins; Oxidation-Reduction; Prazosin; Pyridoxal Phosphate; Rats; Sympathetic Nervous System; Vasoconstriction; Video Recording; Yohimbine | 2007 |
Noradrenergic modulation of the hyperpolarization-activated cation current (Ih) in dopamine neurons of the ventral tegmental area.
Topics: Adrenergic alpha-Antagonists; Algorithms; Animals; Barium Compounds; Chlorides; Cyclic Nucleotide-Gated Cation Channels; Data Interpretation, Statistical; Dopamine; Dopamine Antagonists; Electrophysiology; Hyperpolarization-Activated Cyclic Nucleotide-Gated Channels; Male; Membrane Potentials; Neurons; Norepinephrine; Patch-Clamp Techniques; Potassium Channels; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha; Receptors, Dopamine D2; Salicylamides; Ventral Tegmental Area; Yohimbine | 2007 |
Dexmedetomidine produces dual alpha2-adrenergic agonist and alpha1-adrenergic antagonist actions on human isolated internal mammary artery.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adult; Aged; Coronary Artery Bypass; Dexmedetomidine; Female; Humans; Male; Mammary Arteries; Middle Aged; Phenylephrine; Potassium Chloride; Prazosin; Vasoconstriction; Yohimbine | 2007 |
alpha2B-adrenoceptor agonist ST-91 antagonizes beta2-adrenoceptor-mediated relaxation in rat mesenteric artery rings.
Topics: Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic beta-2 Receptor Antagonists; Analysis of Variance; Animals; Aorta; Clonidine; Dose-Response Relationship, Drug; In Vitro Techniques; Isoproterenol; Male; Mesenteric Arteries; Phenylephrine; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-2; Receptors, Adrenergic, beta-2; Terbutaline; Vas Deferens; Vasodilation; Xylazine; Yohimbine | 2008 |
Folic acid administration produces an antidepressant-like effect in mice: evidence for the involvement of the serotonergic and noradrenergic systems.
Topics: Adrenergic alpha-Antagonists; Animals; Antidepressive Agents; Depression; Female; Fenclonine; Fluoxetine; Folic Acid; Hindlimb Suspension; Injections, Intraventricular; Male; Mice; Motor Activity; Norepinephrine; Prazosin; Receptor, Serotonin, 5-HT1A; Selective Serotonin Reuptake Inhibitors; Serotonin; Serotonin Agents; Swimming; Yohimbine | 2008 |
Noradrenergic vasoconstriction of pig prostatic small arteries.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Animals; Arteries; Brimonidine Tartrate; Calcium Channel Blockers; Calcium Channels, L-Type; Calcium Signaling; Dose-Response Relationship, Drug; Electric Stimulation; Guanethidine; In Vitro Techniques; Indoles; Male; Norepinephrine; Piperazines; Prazosin; Prostate; Quinoxalines; Swine; Thymine; Vasoconstriction; Yohimbine | 2008 |
alpha(1)-Adrenoceptors augment thermal hyperalgesia in mildly burnt skin.
Topics: Adolescent; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adult; Burns; Clonidine; Female; Hot Temperature; Humans; Hyperalgesia; Iontophoresis; Male; Nociceptors; Norepinephrine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha-1; Sensory Receptor Cells; Skin; Yohimbine; Young Adult | 2009 |
Potentiation by yohimbine of alpha-adrenoceptor-mediated vasoconstriction in response to clonidine in the rabbit ear vein.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Dose-Response Relationship, Drug; Drug Synergism; Ear; Imidazoles; Male; Norepinephrine; Prazosin; Rabbits; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Vasoconstriction; Vasoconstrictor Agents; Veins; Yohimbine | 2008 |
Dexmedetomidine enhances the local anesthetic action of lidocaine via an alpha-2A adrenoceptor.
Topics: Adrenergic alpha-Agonists; Anesthetics, Local; Animals; Clonidine; Dexmedetomidine; Dose-Response Relationship, Drug; Drug Synergism; Guinea Pigs; Lidocaine; Male; Oxymetazoline; Prazosin; Receptors, Adrenergic, alpha-2; Yohimbine | 2008 |
Nonlinearity and fractality in the variability of cardiac period in the lizard, Gallotia galloti: effects of autonomic blockade.
Topics: Animals; Atropine; Autonomic Nervous System; Electrocardiography; Fractals; Heart; Heart Rate; Lizards; Nonlinear Dynamics; Prazosin; Propranolol; Yohimbine | 2008 |
Norepinephrine and E139 interactions on epileptiform activity in the rat hippocampus in vitro.
Topics: Adrenergic alpha-Antagonists; Animals; Anticonvulsants; Cyclohexanes; Epilepsy; Hippocampus; Humans; In Vitro Techniques; Models, Biological; Norepinephrine; Phentolamine; Prazosin; Rats; Rats, Sprague-Dawley; Time Factors; Yohimbine | 2008 |
Maturational changes in pontine and medullary alpha-adrenoceptor influences on respiratory rhythm generation in neonatal rats.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Antagonists; Age Factors; Animals; Animals, Newborn; Catecholamines; In Vitro Techniques; Medulla Oblongata; Pons; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Respiratory Center; Respiratory Mechanics; Yohimbine | 2009 |
Endogenous catecholamine stimulates alveolar fluid clearance in rats with acute pancreatitis.
Topics: Acute Disease; Adrenalectomy; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Bronchoalveolar Lavage Fluid; Catecholamines; Disease Models, Animal; Epinephrine; Epithelial Sodium Channels; Male; Pancreatitis; Prazosin; Pulmonary Edema; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha; RNA, Messenger; Taurocholic Acid; Yohimbine | 2009 |
Effect of moxonidine on the uveoscleral outflow: role of alpha2-adrenoceptors or i1 imidazoline receptors.
Topics: Administration, Topical; Adrenergic alpha-Antagonists; Animals; Aqueous Humor; Benzofurans; Bridged Bicyclo Compounds; Drug Synergism; Fluorescein-5-isothiocyanate; Heptanes; Imidazoles; Imidazoline Receptors; Prazosin; Rabbits; Receptors, Adrenergic, alpha-2; Sclera; Serum Albumin, Bovine; Uvea; Yohimbine | 2009 |
Involvement of signaling pathways in bovine sperm motility, and effect of ergot alkaloids.
Topics: Animals; Cattle; Chelating Agents; Cholera Toxin; Cyclic AMP; Dihydroergotamine; Egtazic Acid; Ergot Alkaloids; Ergotamine; Male; Pertussis Toxin; Prazosin; Receptors, Adrenergic, alpha; Signal Transduction; Sperm Motility; Spermatozoa; Yohimbine | 2009 |
Norepinephrine increases calcium sensitivity of mouse afferent arteriole, thereby enhancing angiotensin II-mediated vasoconstriction.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Antagonists; Angiotensin II; Animals; Arterioles; Calcium Signaling; Dose-Response Relationship, Drug; In Vitro Techniques; Kidney; Male; Mice; Mice, Inbred C57BL; Myosin Light Chains; Myosin-Light-Chain Phosphatase; Norepinephrine; p38 Mitogen-Activated Protein Kinases; Perfusion; Phosphorylation; Prazosin; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Renal Circulation; Vasoconstriction; Yohimbine | 2009 |
Renal vasodilation induced by hypernatraemia: role of alpha-adrenoceptors in the median preoptic nucleus.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Antagonists; Animals; Blood Pressure; Drug Interactions; Hypernatremia; Male; Microinjections; Prazosin; Preoptic Area; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Renal Circulation; Saline Solution, Hypertonic; Time Factors; Vasodilation; Yohimbine | 2009 |
Central regulation of the pharyngeal and upper esophageal reflexes during swallowing in the Japanese eel.
Topics: Action Potentials; Adrenergic alpha-Antagonists; Animals; Catecholamines; Choline O-Acetyltransferase; Deglutition; Eels; Electric Stimulation; Esophageal Sphincter, Upper; In Vitro Techniques; Motor Neurons; Neural Inhibition; Neural Pathways; Pharynx; Prazosin; Reflex; Tyrosine 3-Monooxygenase; Vagus Nerve; Visceral Afferents; Yohimbine | 2010 |
Effects of acute exposure of alpha 1- and alpha 2-adrenoreceptor agonist or antagonist on capsaicin-evoked substance P release from dorsal root ganglion neurons in vitro.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Capsaicin; Cells, Cultured; Clonidine; Ganglia, Spinal; Neurons; Phenylephrine; Prazosin; Radioimmunoassay; Rats; Rats, Wistar; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Substance P; Yohimbine | 2010 |
Central and peripheral anti-inflammatory effects of maprotiline on carrageenan-induced paw edema in rats.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic beta-Antagonists; Animals; Anti-Inflammatory Agents; Antidepressive Agents, Second-Generation; Carrageenan; Edema; Hormone Antagonists; Indomethacin; Injections, Spinal; Male; Maprotiline; Mifepristone; Naloxone; Narcotic Antagonists; Prazosin; Propranolol; Rats; Rats, Wistar; Yohimbine | 2010 |
Antidepressant-like effect of carvacrol (5-Isopropyl-2-methylphenol) in mice: involvement of dopaminergic system.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Animals; Antidepressive Agents; Behavior, Animal; Benzazepines; Cymenes; Depression; Disease Models, Animal; Dopamine; Dopamine D2 Receptor Antagonists; Fenclonine; Hindlimb Suspension; Male; Mice; Monoterpenes; Motor Activity; Prazosin; Receptors, Dopamine D2; Sulpiride; Swimming; Yohimbine | 2011 |
Chemical or surgical sympathectomy prevents mechanical hyperalgesia induced by intraplantar injection of bee venom in rats.
Topics: Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Antagonists; Analysis of Variance; Animals; Bee Venoms; Disease Models, Animal; Foot; Guanethidine; Hyperalgesia; Male; Motor Activity; Norepinephrine; Oxidopamine; Pain Threshold; Phentolamine; Prazosin; Rats; Rats, Sprague-Dawley; Reaction Time; Sympathectomy; Sympatholytics; Time Factors; Yohimbine | 2010 |
Anandamide centrally depresses the respiratory rhythm generator of neonatal mice.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Animals; Animals, Newborn; Arachidonic Acids; Cannabinoid Receptor Modulators; Endocannabinoids; In Vitro Techniques; Medulla Oblongata; Mice; Periodicity; Polyunsaturated Alkamides; Prazosin; Receptor, Cannabinoid, CB1; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Respiratory Center; Yohimbine | 2010 |
Postjunctional α2C-adrenoceptors mediate vasoconstriction in rat tail artery: influence of precontraction and temperature on vasoreactivity.
Topics: Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-Antagonists; Animals; Arteries; Brimonidine Tartrate; Dioxanes; Imidazoles; In Vitro Techniques; Isoindoles; Isoquinolines; Male; Mice; Mice, Inbred C57BL; Piperazines; Prazosin; Quinolizines; Quinoxalines; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-2; Serotonin; Tail; Temperature; Vasoconstriction; Yohimbine | 2010 |
Involvement of monoaminergic systems in the antidepressant-like effect of nobiletin.
Topics: Adrenergic Antagonists; Animals; Antidepressive Agents; Benzazepines; Cyproheptadine; Depression; Disease Models, Animal; Dopamine Antagonists; Dose-Response Relationship, Drug; Drug Interactions; Flavones; Fluoxetine; Hindlimb Suspension; Male; Mice; Mice, Inbred ICR; Motor Activity; Piperazines; Prazosin; Propranolol; Pyridines; Serotonin Antagonists; Sulpiride; Swimming; Yohimbine | 2011 |
Glutaminyl cyclase contributes to the formation of focal and diffuse pyroglutamate (pGlu)-Aβ deposits in hippocampus via distinct cellular mechanisms.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic beta-Antagonists; Age Factors; Aged; Aged, 80 and over; Alzheimer Disease; Aminoacyltransferases; Amyloid beta-Peptides; Amyloid beta-Protein Precursor; Animals; Autoradiography; Cells, Cultured; Dihydroalprenolol; Female; Green Fluorescent Proteins; Hippocampus; Humans; Male; Mice; Mice, Transgenic; Neurons; Potassium Chloride; Prazosin; Protein Binding; Pyrrolidonecarboxylic Acid; Receptors, Adrenergic; Time Factors; Tritium; Yohimbine | 2011 |
Progressive arteriolar vasoconstriction and fatigue during tetanic contractions of rat skeletal muscle are inhibited by α-receptor blockade.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Animals; Arterioles; Blood Pressure; Electric Stimulation; Heart Rate; Isometric Contraction; Male; Muscle Fatigue; Muscle, Skeletal; Muscle, Smooth, Vascular; Prazosin; Rats; Rats, Wistar; Vasoconstriction; Vasodilation; Vasomotor System; Venules; Yohimbine | 2011 |
Effect of prazosin and guanfacine on stress-induced reinstatement of alcohol and food seeking in rats.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Animals; Conditioning, Operant; Dose-Response Relationship, Drug; Ethanol; Feeding Behavior; Guanfacine; Male; Prazosin; Rats; Rats, Long-Evans; Rats, Wistar; Secondary Prevention; Self Administration; Stress, Psychological; Yohimbine | 2011 |
The role of alpha adrenoceptors in the vascular and estradiol secretory responses to stimulation of the superior ovarian nerve.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Animals; Blood Pressure; Electric Stimulation; Estradiol; Female; Muscle, Smooth, Vascular; Ovary; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Receptors, Adrenergic, beta; Regional Blood Flow; Yohimbine | 2011 |
Role of alpha adrenoceptors and nitric oxide on cardiovascular responses in acute and chronic hypertension.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Animals; Area Under Curve; Blood Pressure; Cardiovascular System; Electric Stimulation; Heart Rate; Hypertension; Male; NG-Nitroarginine Methyl Ester; Nitric Oxide; Nitric Oxide Synthase; Norepinephrine; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha; Vagotomy; Yohimbine | 2011 |
Effect of long-term prazosin and yohimbine administration on c-Fos expression in spinal neurons: inhibitory effect of alpha-1 and alpha-2 adrenoceptors on afferents from the lower urinary tract.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Animals; Female; Neurons; Neurons, Afferent; Prazosin; Proto-Oncogene Proteins c-fos; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Spinal Cord; Spine; Urinary Tract; Urination; Yohimbine | 2011 |
Alpha1 receptor antagonist in the median raphe nucleus evoked hyperphagia in free-feeding rats.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Animals; Eating; Feeding Behavior; Hyperphagia; Male; Prazosin; Raphe Nuclei; Rats; Rats, Wistar; Serotonergic Neurons; Yohimbine | 2011 |
Study of the effects of the casein derived bitter tastant on the melanophores in milieu with the melatonin receptors.
Topics: Animals; Carps; Caseins; Cell Size; Denervation; Indoles; Melanophores; Neurotransmitter Agents; Piperazines; Prazosin; Receptor, Melatonin, MT1; Receptor, Melatonin, MT2; Receptors, Adrenergic; Tryptamines; Yohimbine | 2011 |
Pharmacological mechanisms of antidepressant-like effect of tipepidine in the forced swimming test.
Topics: alpha-Methyltyrosine; Animals; Antidepressive Agents; Benzazepines; Drug Interactions; Fenclonine; Immobility Response, Tonic; Male; Motor Activity; Piperidines; Prazosin; Propranolol; Raclopride; Rats; Rats, Wistar; Yohimbine | 2012 |
Uliginosin B, a phloroglucinol derivative from Hypericum polyanthemum: a promising new molecular pattern for the development of antidepressant drugs.
Topics: Animals; Antidepressive Agents; Benzazepines; Biogenic Monoamines; Bupropion; Drug Evaluation, Preclinical; Enzyme Inhibitors; Fenclonine; Fluoxetine; Hypericum; Imipramine; Immobility Response, Tonic; Locomotion; Male; Mice; Mice, Inbred Strains; Phloroglucinol; Plant Extracts; Prazosin; Rats; Rats, Wistar; Receptors, Catecholamine; Sulpiride; Vesicular Monoamine Transport Proteins; Yohimbine | 2012 |
α₂- and β-adrenoceptors involvement in nortriptyline modulation of auditory sustained attention and impulsivity.
Topics: Acoustic Stimulation; Adrenergic Uptake Inhibitors; Animals; Attention; Dose-Response Relationship, Drug; Impulsive Behavior; Male; Norepinephrine; Nortriptyline; Prazosin; Propranolol; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-2; Receptors, Adrenergic, beta; Time Factors; Yohimbine | 2012 |
Yohimbine antagonises α1A- and α1D-adrenoceptor mediated components in addition to the α2A-adrenoceptor component to pressor responses in the pithed rat.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Animals; Dose-Response Relationship, Drug; Drug Interactions; Ethanolamines; Idazoxan; Male; Phenylephrine; Piperazines; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Thymine; Vasoconstriction; Xylazine; Yohimbine | 2012 |
The effect of botulinum neurotoxin-A on blood flow in rats: a potential mechanism for treatment of Raynaud phenomenon.
Topics: Adrenergic alpha-2 Receptor Antagonists; Animals; Botulinum Toxins, Type A; Dose-Response Relationship, Drug; Humans; Male; Microcirculation; Neuromuscular Agents; Prazosin; Rats; Rats, Sprague-Dawley; Regional Blood Flow; Tetrodotoxin; Vasodilation; Yohimbine | 2012 |
Analgesic effect of electroacupuncture on inflammatory pain in collagen-induced arthritis rats: mediation by alpha2- and beta-adrenoceptors.
Topics: Acupuncture Analgesia; Acupuncture Points; Animals; Arthritis, Experimental; Electroacupuncture; Male; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-2; Receptors, Adrenergic, beta; Yohimbine | 2013 |
Comparative analysis of the impact of α1-and α2-adrenoreceptor blockade on cardiac function in rats during postnatal ontogeny.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Agonists; Animals; Heart Rate; Prazosin; Rats; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Yohimbine | 2011 |
Contribution of α-adrenoceptor stimulation by phenylephrine to basal nitric oxide production in the isolated mouse aorta.
Topics: Adrenergic alpha-1 Receptor Agonists; Animals; Aorta, Thoracic; Brimonidine Tartrate; Dose-Response Relationship, Drug; Imidazoles; Isoindoles; Male; Mice; Mice, Inbred C57BL; Nitric Oxide; Nitric Oxide Synthase; Phenylephrine; Prazosin; Quinoxalines; Receptors, Adrenergic, alpha-2; Vasoconstrictor Agents; Yohimbine | 2013 |
CB1 and CB2 cannabinoid receptor agonists induce peripheral antinociception by activation of the endogenous noradrenergic system.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic beta-Antagonists; Adrenergic Uptake Inhibitors; Amides; Analgesics; Animals; Arachidonic Acids; Cannabinoid Receptor Agonists; Dinoprostone; Endocannabinoids; Ethanolamines; Male; Morpholines; Norepinephrine; Pain Measurement; Palmitic Acids; Peripheral Nerves; Polyunsaturated Alkamides; Prazosin; Propranolol; Rats; Rats, Wistar; Reboxetine; Receptor, Cannabinoid, CB1; Receptor, Cannabinoid, CB2; Sympathetic Nervous System; Yohimbine | 2013 |
Involvement of α-adrenoceptors to the implementation of the contractile effects in the capsule of mesenteric lymph nodes in response to electrostimulation.
Topics: Animals; Cattle; Electric Stimulation; Lymph Nodes; Muscle Contraction; Myocytes, Smooth Muscle; Nerve Fibers; Norepinephrine; Phentolamine; Prazosin; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Tetrodotoxin; Yohimbine | 2013 |
Endogenous analgesic action of the pontospinal noradrenergic system spatially restricts and temporally delays the progression of neuropathic pain following tibial nerve injury.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Analysis of Variance; Animals; Disease Models, Animal; Dopamine beta-Hydroxylase; Electromyography; Functional Laterality; Hyperalgesia; Male; Neuralgia; Pain Measurement; Pain Threshold; Pons; Prazosin; Rats; Rats, Wistar; Spinal Cord; Tibial Neuropathy; Time Factors; Yohimbine | 2013 |
Involvement of monoaminergic system in the antidepressant-like effect of aqueous extract of Channa striatus in mice.
Topics: Adrenergic Agonists; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Animals; Antidepressive Agents; Benzazepines; Complex Mixtures; Depression; Dopamine D2 Receptor Antagonists; Fenclonine; Fishes; Hindlimb Suspension; Male; Mice, Inbred ICR; Prazosin; Serotonin; Serotonin Antagonists; Serotonin Receptor Agonists; Yohimbine | 2013 |
Evidence for the involvement of peripheral β-adrenoceptors in delayed liquid gastric emptying induced by dipyrone, 4-aminoantipyrine, and antipyrine in rats.
Topics: Adrenergic Antagonists; Ampyrone; Animals; Anti-Inflammatory Agents, Non-Steroidal; Antipyrine; Dipyrone; Gastric Emptying; Infusions, Intraventricular; Male; Phenolsulfonphthalein; Prazosin; Propranolol; Rats, Wistar; Receptors, Adrenergic, beta; Yohimbine | 2013 |
Antagonistic effects of atipamezole, yohimbine and prazosin on medetomidine-induced diuresis in healthy cats.
Topics: Animals; Area Under Curve; Arginine Vasopressin; Cats; Creatinine; Diuresis; Electrolytes; Hydrogen-Ion Concentration; Imidazoles; Medetomidine; Osmolar Concentration; Prazosin; Specific Gravity; Urinalysis; Yohimbine | 2014 |
Effects of electrical stimulation of autonomic nerves to the ovary on the ovarian testosterone secretion rate in rats.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic Fibers; Animals; Electric Stimulation; Estradiol; Estrus; Female; Nerve Fibers, Unmyelinated; Ovary; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Secretory Rate; Testosterone; Yohimbine | 2014 |
The action of p-synephrine on hepatic carbohydrate metabolism and respiration occurs via both Ca(2+)-mobilization and cAMP production.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic beta-3 Receptor Antagonists; Animals; Calcium; Carbohydrate Metabolism; Citrus; Cyclic AMP; Gluconeogenesis; Glycogenolysis; Glycolysis; Liver; Male; Oxidation-Reduction; Oxygen Consumption; Plant Extracts; Prazosin; Propanolamines; Propranolol; Pyruvic Acid; Rats; Rats, Wistar; Signal Transduction; Synephrine; Yohimbine | 2014 |
Hippocampal α-adrenoceptors involve in the effect of histamine on spatial learning.
Topics: Adrenergic Agents; Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Animals; CA1 Region, Hippocampal; Clonidine; Dose-Response Relationship, Drug; Histamine; Histamine Agonists; Male; Maze Learning; Phenylephrine; Prazosin; Rats, Wistar; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Task Performance and Analysis; Yohimbine | 2014 |
Impaired flexibility in decision making in rats after administration of the pharmacological stressor yohimbine.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic beta-Antagonists; Animals; Behavior, Animal; Choice Behavior; Conditioning, Operant; Decision Making; Delay Discounting; Guanfacine; Male; Prazosin; Propranolol; Rats; Rats, Sprague-Dawley; Reward; Yohimbine | 2014 |
Antidepressant and anxiolytic effects of the methanol root extract of Capparis thonningii: involvement of monoaminergic, cholinergic and GABAergic systems.
Topics: Adrenergic Antagonists; Animals; Anti-Anxiety Agents; Antidepressive Agents; Atropine; Behavior, Animal; Biogenic Monoamines; Capparis; Cholinergic Agents; Cholinergic Neurons; Cyproheptadine; Dopamine Antagonists; Female; Flumazenil; GABA Agents; gamma-Aminobutyric Acid; Immobility Response, Tonic; Male; Metergoline; Methanol; Mice; Muscarinic Antagonists; Plant Extracts; Plant Roots; Prazosin; Serotonin Antagonists; Sulpiride; Yohimbine | 2015 |
Antagonistic effects of atipamezole, yohimbine, and prazosin on xylazine-induced diuresis in clinically normal cats.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Animals; Area Under Curve; Arginine Vasopressin; Cats; Creatinine; Diuresis; Female; Imidazoles; Male; Osmolar Concentration; Prazosin; Random Allocation; Specific Gravity; Xylazine; Yohimbine | 2014 |
Adrenergic modulation of migration, CD11b and CD18 expression, ROS and interleukin-8 production by human polymorphonuclear leukocytes.
Topics: Adrenergic Antagonists; CD11b Antigen; CD18 Antigens; Cell Movement; Cells, Cultured; Gene Expression; Humans; Interleukin-8; N-Formylmethionine Leucyl-Phenylalanine; Neutrophils; Prazosin; Propranolol; Reactive Oxygen Species; Receptors, Adrenergic; Yohimbine | 2015 |
Noradrenaline enhances angiotensin II responses via p38 MAPK activation after hypoxia/re-oxygenation in renal interlobar arteries.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic beta-Antagonists; Angiotensin II; Animals; Enzyme Activation; Gene Expression Regulation; Kidney; Male; Mice; Myosin Light Chains; Norepinephrine; p38 Mitogen-Activated Protein Kinases; Prazosin; Propranolol; Receptors, Adrenergic; Reperfusion Injury; RNA, Messenger; Yohimbine | 2015 |
Involvement of Descending Serotonergic and Noradrenergic Systems and their Spinal Receptor Subtypes in the Antinociceptive Effect of Dipyrone.
Topics: 5,7-Dihydroxytryptamine; Adrenergic Neurons; Analgesics; Animals; Dipyrone; Dose-Response Relationship, Drug; Injections, Spinal; Ketanserin; Mice; Ondansetron; Oxidopamine; Pain Measurement; Piperidines; Prazosin; Propranolol; Receptors, Adrenergic, beta; Receptors, Serotonin; Serotonergic Neurons; Spinal Cord; Sulfonamides; Yohimbine | 2015 |
NSAIDs induce peripheral antinociception by interaction with the adrenergic system.
Topics: Animals; Anti-Inflammatory Agents, Non-Steroidal; Diclofenac; Dipyrone; Dose-Response Relationship, Drug; Guanethidine; Male; Norepinephrine; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Yohimbine | 2015 |
Angiotensin-(1-7) through Mas receptor activation induces peripheral antinociception by interaction with adrenoreceptors.
Topics: Adrenergic beta-Antagonists; Analgesics; Angiotensin I; Animals; Dinoprostone; Hyperalgesia; Norepinephrine; Pain Measurement; Peptide Fragments; Prazosin; Proto-Oncogene Mas; Proto-Oncogene Proteins; Rats; Receptors, Adrenergic, beta; Receptors, G-Protein-Coupled; Yohimbine | 2015 |
Norepinephrine responses in rat renal and femoral veins are reinforced by vasoconstrictor prostanoids.
Topics: Animals; Clonidine; Endothelium, Vascular; Femoral Vein; Kidney; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Prazosin; Prostaglandins; Rats; Rats, Wistar; Receptors, Adrenergic; Receptors, Angiotensin; Vasoconstriction; Vasoconstrictor Agents; Yohimbine | 2015 |
Attenuation of pain behaviour by local administration of alpha-2 adrenoceptor antagonists to dorsal root ganglia in a rat radiculopathy model.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Antagonists; Animals; Behavior, Animal; Disease Models, Animal; Ganglia, Spinal; Indoles; Male; Neuralgia; Pain Measurement; Phentolamine; Prazosin; Radiculopathy; Rats; Rats, Sprague-Dawley; Yohimbine | 2016 |
Effects of prazosin and doxazosin on yohimbine-induced reinstatement of alcohol seeking in rats.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Antagonists; Alcohol Drinking; Animals; Brain Chemistry; Doxazosin; Extinction, Psychological; Genes, fos; Injections, Intraventricular; Male; Prazosin; Rats; Rats, Long-Evans; Rats, Sprague-Dawley; Self Administration; Yohimbine | 2016 |
Onset of a hypotensive effect following ingestion of flavan 3-ols involved in the activation of adrenergic receptors.
Topics: Adrenergic Antagonists; Animals; Antihypertensive Agents; Blood Pressure; Butoxamine; Cacao; Carbazoles; Carvedilol; Catechin; Epinephrine; Flavonoids; Gene Expression Regulation; Heart Rate; Male; Nitric Oxide Synthase Type III; Phosphorylation; Prazosin; Propanolamines; Rats; Rats, Wistar; Receptors, Adrenergic; Yohimbine | 2016 |
Pulmonary platelet accumulation induced by catecholamines: Its involvement in lipopolysaccharide-induced anaphylaxis-like shock.
Topics: Anaphylaxis; Animals; Blood Platelets; Catecholamines; Cells, Cultured; Complement C5; Humans; Lipopolysaccharides; Lung; Macrophages; Male; Mice; Mice, Inbred BALB C; Mice, Knockout; Prazosin; Respiratory Distress Syndrome; Serotonin; Yohimbine | 2017 |
The α
Topics: Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic beta-Antagonists; Adrenergic Fibers; Animals; Excitatory Postsynaptic Potentials; Glutamic Acid; Mice; Mice, Inbred C57BL; Neocortex; Neurons; Norepinephrine; Phenylephrine; Prazosin; Propranolol; Receptors, Adrenergic, alpha-2; Thalamus; Yohimbine | 2017 |
Reduction in ultraviolet B light-induced erythema by oxymetazoline and brimonidine is mediated by different α-adrenoceptors.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Brimonidine Tartrate; Calcium; Disease Models, Animal; Erythema; HEK293 Cells; Humans; Male; Mice; Mice, Hairless; Oxymetazoline; Prazosin; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Rosacea; Ultraviolet Rays; Vasoconstriction; Yohimbine | 2018 |
Effects of α-(prazosin and yohimbine) and β-receptors activity on cAMP generation and UCP1 gene expression in brown adipocytes.
Topics: Adipose Tissue, Brown; Animals; Cyclic AMP; Male; Mice; Norepinephrine; Prazosin; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; RNA, Messenger; Uncoupling Protein 1; Yohimbine | 2018 |
Noradrenaline induces peripheral antinociception by endogenous opioid release.
Topics: Analgesics; Animals; Cinnamates; Dinoprostone; Dose-Response Relationship, Drug; Hyperalgesia; Leucine; Male; Morphine Derivatives; Naltrexone; Norepinephrine; Opioid Peptides; Pain Measurement; Prazosin; Propranolol; Rats; Yohimbine | 2018 |
Vascular effects of a polyphenolic fraction from
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adult; Aged; Aged, 80 and over; Dose-Response Relationship, Drug; Humans; Middle Aged; Norepinephrine; Oxalidaceae; Plant Extracts; Plant Leaves; Polyphenols; Prazosin; Receptors, Adrenergic, alpha; Thoracic Arteries; Vasoconstriction; Yohimbine | 2020 |
Both α
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Animals; Dose-Response Relationship, Drug; Male; Muscle Contraction; Norepinephrine; Phenylephrine; Piperazines; Prazosin; Quinazolines; Quinoxalines; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Spleen; Thymine; Yohimbine | 2021 |
Sympathetic Input to Multiple Cell Types in Mouse and Human Colon Produces Region-Specific Responses.
Topics: Animals; Colon; Female; Ganglia, Sympathetic; Gastrointestinal Motility; Guanethidine; Humans; Intestinal Mucosa; Male; Mice; Models, Animal; Myenteric Plexus; Neurons; Optogenetics; Prazosin; RNA-Seq; Single-Cell Analysis; Yohimbine | 2021 |
Interaction between α
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Animals; Female; Male; Mice; Mice, Inbred C57BL; Mice, Knockout; Muscle Contraction; Piperazines; Prazosin; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Spleen; Thymine; Yohimbine | 2021 |
Dexmedetomidine-Induced Aortic Contraction Involves Transactivation of the Epidermal Growth Factor Receptor in Rats.
Topics: Adrenergic alpha-2 Receptor Agonists; Animals; Aorta; Dexmedetomidine; ErbB Receptors; Muscle, Smooth, Vascular; Phosphorylation; Prazosin; Rats; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; src-Family Kinases; Transcriptional Activation; Tyrosine; Yohimbine | 2022 |